Algebra. Algebra questions and answers. Question 1 (1 point) Question 1. Consider the following quadratic function. f (x) = 2x2 - 7x - 4 Find the x-value and y-value of the vertex using the vertex formula ( f (-)) shown in class or via lecture video, Enter the exact answer as a simplified fraction or integers inside the box below as an ordered ... The procedure to use the discriminant calculator is as follows: Step 1: Enter the coefficient values such as “a”, “b” and “c” in the given input fields. Step 2: Now click the button “Solve” to get the output. Step 3: The discriminant value will be displayed in the output field. Popular Problems Algebra Solve by Completing the Square 2x^2+7x-4=0 2x2 + 7x − 4 = 0 2 x 2 + 7 x - 4 = 0 Add 4 4 to both sides of the equation. 2x2 + 7x = 4 2 x 2 + 7 x = 4 Divide each term in 2x2 + 7x = 4 2 x 2 + 7 x = 4 by 2 2 and simplify. Tap for more steps... x2 + 7x 2 = 2 x 2 + 7 x 2 = 2 Simplify: 4- (3 + 1)2 - 6 + 2 + 4 2. Combine like terms: 7x3 + 2x - 5x2 + 6 + x + 9 + 3x3 + 12x2 3. Simplify: (2x5- 3x2 + 4) - (x5 + 2x2+ 7) 4. Multiply: 3x2(4x3 - 2x2 + 7x - 4) 5. Evaluate: 6x2 + 9x - 7, when x = 2 6. Evaluate: 3(x - y)² + 4y - 6x + 2, when x = -1 and y = 3 7. Solve for x: 7x - 5 = 23 8. Solve for y: 7y - 4 + 3y + 6 = 9y + 8 ... Free factor calculator - Factor quadratic equations step-by-step One of the zeroes of the polynomial 2x² + 7x -4 is a. 2, b. 1/2, c. -1/2, d. -2 - The zeros of a polynomial are the values of x which satisfy the equation y = f(x). One of the zeroes of the polynomial Jun 1, 2018 · Click here 👆 to get an answer to your question ️ Determine zeroes of polynomial 2x²+7x-4. sparshtandon20 sparshtandon20 01.06.2018 Math Secondary School The procedure to use the discriminant calculator is as follows: Step 1: Enter the coefficient values such as “a”, “b” and “c” in the given input fields. Step 2: Now click the button “Solve” to get the output. Step 3: The discriminant value will be displayed in the output field. Solve Using the Quadratic Formula 2x^2-7x-4=0. 2x2 − 7x − 4 = 0 2 x 2 - 7 x - 4 = 0. Use the quadratic formula to find the solutions. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. Substitute the values a = 2 a = 2, b = −7 b = - 7, and c = −4 c = - 4 into the quadratic formula and solve for x x. 7±√(−7)2 −4 ⋅(2⋅−4) 2⋅ ... Free factor calculator - Factor quadratic equations step-by-step Step 1: Enter the equation you want to solve using the quadratic formula. The Quadratic Formula Calculator finds solutions to quadratic equations with real coefficients. For equations with real solutions, you can use the graphing tool to visualize the solutions. Quadratic Formula: x = −b±√b2 −4ac 2a x = − b ± b 2 − 4 a c 2 a. Solve Using the Quadratic Formula 2x^2-7x-4=0. 2x2 − 7x − 4 = 0 2 x 2 - 7 x - 4 = 0. Use the quadratic formula to find the solutions. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. Substitute the values a = 2 a = 2, b = −7 b = - 7, and c = −4 c = - 4 into the quadratic formula and solve for x x. 7±√(−7)2 −4 ⋅(2⋅−4) 2⋅ ... Since 2x2 +4 2+7x−4x2 2 x 2 + 4 2 + 7 x - 4 x 2 → → ∞ ∞ as x x → → 2 2 from the left and 2x2 +4 2+7x−4x2 2 x 2 + 4 2 + 7 x - 4 x 2 → → −∞ - ∞ as x x → → 2 2 from the right, then x = 2 x = 2 is a vertical asymptote. x = 2 x = 2. List all of the vertical asymptotes: x = −1 4,2 x = - 1 4, 2. Consider the rational ... 1) 2x^ +9x - 5 = 0 2) 2x2 = 6x - 1 3) Sx^ + 5 = -€x II. The Discriminant The radicand - 4ac in the quadratic formula is called the discriminant. 5 Discriminant - 4ac Solutions to ax^ + bx + c = 0 Graph of y = ax^ + bx + c If b^ - 4ac > 0 The equation has two unequal REAL solutions. If b^ - 4ac is a perfect square, the solutions are RATIONAL. Step 1: Write down the coefficients of 2x2 +3x+4 into the division table. 2 3 4. Step 2: Change the sign of a number in the divisor and write it on the left side. In this case, the divisor is x −2 so we have to change −2 to 2. 2 2 3 4. Step 3: Carry down the leading coefficient. 2 2 2 3 4. Step 4: Multiply carry-down by left term and put ... May 29, 2023 · Transcript. Ex 4.3 ,2 Find the roots of the quadratic equation using quadratic formula (i) 2x2 7x + 3 = 0 2x2 7x + 3 = 0 Comparing equation with ax2 + bx + c = 0 a = 2, b = 7, c = 3 We know that D = b2 4ac D = ( 7)2 4 2 3 D = ( 7 7) (4 2 3) D = 49 24 D = 25 The roots to equation is given by x = ( )/2 Putting values x = ( ( 7) 25)/ (2 2) x = (7 ... 1) 2x^ +9x - 5 = 0 2) 2x2 = 6x - 1 3) Sx^ + 5 = -€x II. The Discriminant The radicand - 4ac in the quadratic formula is called the discriminant. 5 Discriminant - 4ac Solutions to ax^ + bx + c = 0 Graph of y = ax^ + bx + c If b^ - 4ac > 0 The equation has two unequal REAL solutions. If b^ - 4ac is a perfect square, the solutions are RATIONAL. Factor x3 − 2x2 −7x− 4 x 3 - 2 x 2 - 7 x - 4 using the rational roots test. Tap for more steps... Factor x2 − 3x−4 x 2 - 3 x - 4 using the AC method. f(x) = 2x2 - 7x - 4. Find the properties of the given parabola. Tap for more steps... Direction: Opens Up. Vertex: (7 4, - 81 8) Focus: (7 4, - 10) Axis of Symmetry: x = 7 4. Directrix: y = - 41 4. Select a few x values, and plug them into the equation to find the corresponding y values. Since 2x2 +4 2+7x−4x2 2 x 2 + 4 2 + 7 x - 4 x 2 → → ∞ ∞ as x x → → 2 2 from the left and 2x2 +4 2+7x−4x2 2 x 2 + 4 2 + 7 x - 4 x 2 → → −∞ - ∞ as x x → → 2 2 from the right, then x = 2 x = 2 is a vertical asymptote. x = 2 x = 2. List all of the vertical asymptotes: x = −1 4,2 x = - 1 4, 2. Consider the rational ... How to simplify your expression. To simplify your expression using the Simplify Calculator, type in your expression like 2 (5x+4)-3x. The simplify calculator will then show you the steps to help you learn how to simplify your algebraic expression on your own. Mar 19, 2021 · Jordan bought 2 slices of cheese pizza and 4 sodas for $8.50. How much would an order of 1 slice of cheese pizza and 3 sodas cost? A. $3.25 B. $5.25 C. $7.75 D. $7.25 Aug 8, 2017 · The quadratic equations that has real number solutions are 0 = 4x^2 – 3x – 1, 0 = x^2 – 2x – 8 and 2x^2 – 7x – 9. Discriminant. The formula for finding the discriminant is . Any quadratic equation has real number solutions if the discriminant is greater than zero. For the quadratic equation . This equation will have two real number ... 2x2-7x-15=0 Two solutions were found : x = -3/2 = -1.500 x = 5 Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 - 7x) - 15 = 0 Step 2 :Trying to factor by splitting ... 12x2-7x-10 Final result : (4x - 5) • (3x + 2) Step by step solution : Step 1 :Equation at the end of step 1 : ( (22•3x2) - 7x) - 10 Step 2 :Trying to ... May 7, 2022 · The common features of the polynomial function f(x) = 2x² + 7x + 6 and exponential function g(x) = 2^x + 5 are. Equal y-intercept at (0,6) Same end behavior as x approaches positive infinity; How to determine the common features? The equation of the functions are given as: f(x) = 2x² + 7x + 6. g(x) = 2^x + 5 2x2-7x-4=0 Two solutions were found : x = -1/2 = -0.500 x = 4 Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 - 7x) - 4 = 0 Step 2 :Trying to factor by splitting the ... How do you find the discriminant for \displaystyle{0.5}{x}^{{2}}-{2}{x}=-{2} and determine the number and type of solutions? 2x2-7x-4=0 Two solutions were found : x = -1/2 = -0.500 x = 4 Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 - 7x) - 4 = 0 Step 2 :Trying to factor by splitting the ... Polynomial Division Calculator. Step 1: Enter the expression you want to divide into the editor. The polynomial division calculator allows you to take a simple or complex expression and find the quotient and remainder instantly. Step 2: Click the blue arrow to submit and see the result! the answer is 4−7 41 Explanation: you can't take out so you have to use the quadratic formula. formula: 2a−b b2 − 4ac ... 2x2+7x+5 Final result : (x + 1) • (2x + 5) Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 + 7x) + 5 Step 2 :Trying to factor by splitting the middle term ... 12x2+7x+1 Final result : (4x + 1 ... Step 1: Write down the coefficients of 2x2 +3x+4 into the division table. 2 3 4. Step 2: Change the sign of a number in the divisor and write it on the left side. In this case, the divisor is x −2 so we have to change −2 to 2. 2 2 3 4. Step 3: Carry down the leading coefficient. 2 2 2 3 4. Step 4: Multiply carry-down by left term and put ... 2x2-7x-4=0 Two solutions were found : x = -1/2 = -0.500 x = 4 Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 - 7x) - 4 = 0 Step 2 :Trying to factor by splitting the ... Study with Quizlet and memorize flashcards containing terms like Describe the first step when factoring any polynomial. Why is this the first step? Explain., Determine the GCF for each of the polynomials. 2x3 - 7x2 + 3x The GCF is ___. 33x4 - 22 The GCF is ___. 24x5 - 56x3 + 16x The GCF is ___., Which polynomials are prime? Check all that apply. 2x2+ 7x + 1 5x2 - 10x + 5 3x2 + 8 4x2 - 25 x2 ... Sep 18, 2014 · Encuentra una respuesta a tu pregunta 2x˄2 + 7x - 4 = 0 resolver por factorizacion. Maria debe llevar pronto a su clase de matemáticas y para ello tiene en frente dos caminos que puede seguir para llegar al aula. 2x2+7x-60 Final result : (x - 4) • (2x + 15) Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 + 7x) - 60 Step 2 :Trying to factor by splitting the middle term ... x2+7x=-12 Two solutions were found : x = -3 x = -4 Rearrange: Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the ... Algebra Factor 2x^2+7x-4 2x2 + 7x − 4 2 x 2 + 7 x - 4 For a polynomial of the form ax2 +bx+ c a x 2 + b x + c, rewrite the middle term as a sum of two terms whose product is a⋅c = 2⋅−4 = −8 a ⋅ c = 2 ⋅ - 4 = - 8 and whose sum is b = 7 b = 7. Tap for more steps... 2x2 − 1x+8x−4 2 x 2 - 1 x + 8 x - 4 2x2+7x-60 Final result : (x - 4) • (2x + 15) Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 + 7x) - 60 Step 2 :Trying to factor by splitting the middle term ... x2+7x=-12 Two solutions were found : x = -3 x = -4 Rearrange: Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the ... How to simplify your expression. To simplify your expression using the Simplify Calculator, type in your expression like 2 (5x+4)-3x. The simplify calculator will then show you the steps to help you learn how to simplify your algebraic expression on your own. Solve Quadratic Equation by Completing The Square. 4.2 Solving 2x2-7x-4 = 0 by Completing The Square . Divide both sides of the equation by 2 to have 1 as the coefficient of the first term : x2- (7/2)x-2 = 0. Add 2 to both side of the equation : x2- (7/2)x = 2. Now the clever bit: Take the coefficient of x , which is 7/2 , divide by two, giving ... Solve Quadratic Equation by Completing The Square. 4.2 Solving 2x2-7x-4 = 0 by Completing The Square . Divide both sides of the equation by 2 to have 1 as the coefficient of the first term : x2- (7/2)x-2 = 0. Add 2 to both side of the equation : x2- (7/2)x = 2. Now the clever bit: Take the coefficient of x , which is 7/2 , divide by two, giving ... Algebra Examples. Popular Problems. Algebra. Find the x and y Intercepts f (x)=2x^2-7x-4. f (x) = 2x2 − 7x − 4 f ( x) = 2 x 2 - 7 x - 4. Find the x-intercepts. Tap for more steps... x-intercept (s): (−1 2,0),(4,0) ( - 1 2, 0), ( 4, 0) Find the y-intercepts. How to simplify your expression. To simplify your expression using the Simplify Calculator, type in your expression like 2 (5x+4)-3x. The simplify calculator will then show you the steps to help you learn how to simplify your algebraic expression on your own. 2x2-7x-49=0 Two solutions were found : x = -7/2 = -3.500 x = 7 Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 - 7x) - 49 = 0 Step 2 :Trying to factor by splitting ... -2x2-7x-4=0 Two solutions were found : x = (7-√17)/-4=-0.719 x = (7+√17)/-4=-2.781 Step by step solution : Step 1 :Equation at the end of step 1 : ( (0 ... Cônsider the polynomial functions y = x - 2x2 – 7x – 4 and y = x3 - 7x2 + 8x + 16. Which of the following statements about these polynomials is not correct? A. The x-intercepts are the same. O B. The multiplicities of the x-intercepts are the same. O C. The end behavior and turning points are the same. D. The degrees of the polynomials are ... Solve Quadratic Equation by Completing The Square. 4.2 Solving 2x2-7x-4 = 0 by Completing The Square . Divide both sides of the equation by 2 to have 1 as the coefficient of the first term : x2- (7/2)x-2 = 0. Add 2 to both side of the equation : x2- (7/2)x = 2. Now the clever bit: Take the coefficient of x , which is 7/2 , divide by two, giving ... Solved Use the quadratic formula to solve for x. (Enter your | Chegg.com. Use the quadratic formula to solve for x. (Enter your answers as a comma-separated list.) 2x2 − 7x − 4 = 0 x =. Question: Use the quadratic formula to solve for x. (Enter your answers as a comma-separated list.) 2x2 − 7x − 4 = 0 x =. Use the quadratic formula to ... Limit Calculator. Step 1: Enter the limit you want to find into the editor or submit the example problem. The Limit Calculator supports find a limit as x approaches any number including infinity. The calculator will use the best method available so try out a lot of different types of problems. You can also get a better visual and understanding ... 2x2+7x+5=0 Two solutions were found : x = -5/2 = -2.500 x = -1 Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 + 7x) + 5 = 0 Step 2 :Trying to factor by splitting the ... 12x2+7x+1 Final result : (4x + 1) • (3x + 1) Step by step solution : Step 1 :Equation at the end of step 1 : ( (22•3x2) + 7x) + 1 Step 2 :Trying to ... Step 1: Enter the equation you want to solve using the quadratic formula. The Quadratic Formula Calculator finds solutions to quadratic equations with real coefficients. For equations with real solutions, you can use the graphing tool to visualize the solutions. Quadratic Formula: x = −b±√b2 −4ac 2a x = − b ± b 2 − 4 a c 2 a. 2x2+7x-60 Final result : (x - 4) • (2x + 15) Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 + 7x) - 60 Step 2 :Trying to factor by splitting the middle term ... x2+7x=-12 Two solutions were found : x = -3 x = -4 Rearrange: Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the ... Factoring Calculator. Enter the expression you want to factor in the editor. The Factoring Calculator transforms complex expressions into a product of simpler factors. It can factor expressions with polynomials involving any number of vaiables as well as more complex functions. Difference of Squares: a2 – b2 = (a + b)(a – b) a 2 – b 2 ... f(x) = 2x2 - 7x - 4. Find the properties of the given parabola. Tap for more steps... Direction: Opens Up. Vertex: (7 4, - 81 8) Focus: (7 4, - 10) Axis of Symmetry: x = 7 4. Directrix: y = - 41 4. Select a few x values, and plug them into the equation to find the corresponding y values. 2x2-7x-4=0 Two solutions were found : x = -1/2 = -0.500 x = 4 Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 - 7x) - 4 = 0 Step 2 :Trying to factor by splitting the ... How do you find the discriminant for \displaystyle{0.5}{x}^{{2}}-{2}{x}=-{2} and determine the number and type of solutions? May 7, 2022 · The common features of the polynomial function f(x) = 2x² + 7x + 6 and exponential function g(x) = 2^x + 5 are. Equal y-intercept at (0,6) Same end behavior as x approaches positive infinity; How to determine the common features? The equation of the functions are given as: f(x) = 2x² + 7x + 6. g(x) = 2^x + 5 2x2-7x-4=0 Two solutions were found : x = -1/2 = -0.500 x = 4 Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 - 7x) - 4 = 0 Step 2 :Trying to factor by splitting the ... How do you find the discriminant for \displaystyle{0.5}{x}^{{2}}-{2}{x}=-{2} and determine the number and type of solutions? factor quadratic x^2-7x+12; expand polynomial (x-3)(x^3+5x-2) GCD of x^4+2x^3-9x^2+46x-16 with x^4-8x^3+25x^2-46x+16; quotient of x^3-8x^2+17x-6 with x-3; remainder of x^3-2x^2+5x-7 divided by x-3; roots of x^2-3x+2; View more examples; Access instant learning tools. Get immediate feedback and guidance with step-by-step solutions and Wolfram ... the answer is 4−7 41 Explanation: you can't take out so you have to use the quadratic formula. formula: 2a−b b2 − 4ac ... 2x2+7x+5 Final result : (x + 1) • (2x + 5) Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 + 7x) + 5 Step 2 :Trying to factor by splitting the middle term ... 12x2+7x+1 Final result : (4x + 1 ... Jan 9, 2019 · given 2x² + 7x = 4. rearrange into standard form : ax² + bx + c = 0 : a ≠ 0. subtract 4 from both sides. 2x² + 7x - 4 = 0 ← in standard form. Consider the product of the factors of the coefficient of the x² term and the constant term which sum to give the coefficient of the x term, that is. product = 2 × - 4 = - 8 and sum = + 7. Final answer. Transcribed image text: Find all horizontal and vertical asymptotes (if any). (If an answer does not exist, enter DNE.) s (x) = 8x2 + 1/2x2 + 7x - 4 vertical asymptote x = -4,0 (smaller value) vertical asymptote x = 1/2,0 (larger value) horizontal asymptote y = 4 Find all horizontal and vertical asymptotes (if any). (If an answer ... x3-12x2+44x-48=0 Three solutions were found : x = 6 x = 4 x = 2 Step by step solution : Step 1 :Equation at the end of step 1 : ( ( (x3) - (22•3x2)) + 44x) - 48 = 0 Step 2 :Checking for a ... 3x3-2x2+75x-50=0 Three solutions were found : x = 2/3 = 0.667 x= 0.0000 - 5.0000 i x= 0.0000 + 5.0000 i Step by step solution : Step 1 :Equation at the ... Popular Problems Algebra Solve by Completing the Square 2x^2+7x-4=0 2x2 + 7x − 4 = 0 2 x 2 + 7 x - 4 = 0 Add 4 4 to both sides of the equation. 2x2 + 7x = 4 2 x 2 + 7 x = 4 Divide each term in 2x2 + 7x = 4 2 x 2 + 7 x = 4 by 2 2 and simplify. Tap for more steps... x2 + 7x 2 = 2 x 2 + 7 x 2 = 2 Apr 30, 2017 · What are the solutions to 2x2 + 7x = 4? Select all that apply. 1/2 4 -1/2 -4 7 -7. star. 5/5. heart. 17. verified. Verified answer. Solve the equation by factoring 2x ... Simplify: 4- (3 + 1)2 - 6 + 2 + 4 2. Combine like terms: 7x3 + 2x - 5x2 + 6 + x + 9 + 3x3 + 12x2 3. Simplify: (2x5- 3x2 + 4) - (x5 + 2x2+ 7) 4. Multiply: 3x2(4x3 - 2x2 + 7x - 4) 5. Evaluate: 6x2 + 9x - 7, when x = 2 6. Evaluate: 3(x - y)² + 4y - 6x + 2, when x = -1 and y = 3 7. Solve for x: 7x - 5 = 23 8. Solve for y: 7y - 4 + 3y + 6 = 9y + 8 ... Limit Calculator. Step 1: Enter the limit you want to find into the editor or submit the example problem. The Limit Calculator supports find a limit as x approaches any number including infinity. The calculator will use the best method available so try out a lot of different types of problems. You can also get a better visual and understanding ... Factoring Calculator. Enter the expression you want to factor in the editor. The Factoring Calculator transforms complex expressions into a product of simpler factors. It can factor expressions with polynomials involving any number of vaiables as well as more complex functions. Difference of Squares: a2 – b2 = (a + b)(a – b) a 2 – b 2 ... Suppose f(x) is the function that describes the current in both devices and a is an additional tool to change the current of the first device to match the current of the second device. f(x) = Sa + 4x + 2x2 if x < 2 2x2 + 7x + 4 if x > 2 (a) Find the value of a that will make both currents equal at x = 2 or that f(x) continuous on (-00,00). Mar 19, 2021 · Jordan bought 2 slices of cheese pizza and 4 sodas for $8.50. How much would an order of 1 slice of cheese pizza and 3 sodas cost? A. $3.25 B. $5.25 C. $7.75 D. $7.25 Solved Use the quadratic formula to solve for x. (Enter your | Chegg.com. Use the quadratic formula to solve for x. (Enter your answers as a comma-separated list.) 2x2 − 7x − 4 = 0 x =. Question: Use the quadratic formula to solve for x. (Enter your answers as a comma-separated list.) 2x2 − 7x − 4 = 0 x =. Use the quadratic formula to ... Solve Quadratic Equation by Completing The Square. 4.2 Solving 2x2-7x-4 = 0 by Completing The Square . Divide both sides of the equation by 2 to have 1 as the coefficient of the first term : x2- (7/2)x-2 = 0. Add 2 to both side of the equation : x2- (7/2)x = 2. Now the clever bit: Take the coefficient of x , which is 7/2 , divide by two, giving ... The procedure to use the discriminant calculator is as follows: Step 1: Enter the coefficient values such as “a”, “b” and “c” in the given input fields. Step 2: Now click the button “Solve” to get the output. Step 3: The discriminant value will be displayed in the output field. One of the zeroes of the polynomial 2x² + 7x -4 is a. 2, b. 1/2, c. -1/2, d. -2 - The zeros of a polynomial are the values of x which satisfy the equation y = f(x). One of the zeroes of the polynomial Popular Problems Algebra Solve by Completing the Square 2x^2+7x-4=0 2x2 + 7x − 4 = 0 2 x 2 + 7 x - 4 = 0 Add 4 4 to both sides of the equation. 2x2 + 7x = 4 2 x 2 + 7 x = 4 Divide each term in 2x2 + 7x = 4 2 x 2 + 7 x = 4 by 2 2 and simplify. Tap for more steps... x2 + 7x 2 = 2 x 2 + 7 x 2 = 2 2x2-7x-49=0 Two solutions were found : x = -7/2 = -3.500 x = 7 Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 - 7x) - 49 = 0 Step 2 :Trying to factor by splitting ... -2x2-7x-4=0 Two solutions were found : x = (7-√17)/-4=-0.719 x = (7+√17)/-4=-2.781 Step by step solution : Step 1 :Equation at the end of step 1 : ( (0 ... Suppose f(x) is the function that describes the current in both devices and a is an additional tool to change the current of the first device to match the current of the second device. f(x) = Sa + 4x + 2x2 if x < 2 2x2 + 7x + 4 if x > 2 (a) Find the value of a that will make both currents equal at x = 2 or that f(x) continuous on (-00,00). Jan 9, 2019 · given 2x² + 7x = 4. rearrange into standard form : ax² + bx + c = 0 : a ≠ 0. subtract 4 from both sides. 2x² + 7x - 4 = 0 ← in standard form. Consider the product of the factors of the coefficient of the x² term and the constant term which sum to give the coefficient of the x term, that is. product = 2 × - 4 = - 8 and sum = + 7. Simplify: 4- (3 + 1)2 - 6 + 2 + 4 2. Combine like terms: 7x3 + 2x - 5x2 + 6 + x + 9 + 3x3 + 12x2 3. Simplify: (2x5- 3x2 + 4) - (x5 + 2x2+ 7) 4. Multiply: 3x2(4x3 - 2x2 + 7x - 4) 5. Evaluate: 6x2 + 9x - 7, when x = 2 6. Evaluate: 3(x - y)² + 4y - 6x + 2, when x = -1 and y = 3 7. Solve for x: 7x - 5 = 23 8. Solve for y: 7y - 4 + 3y + 6 = 9y + 8 ... The procedure to use the discriminant calculator is as follows: Step 1: Enter the coefficient values such as “a”, “b” and “c” in the given input fields. Step 2: Now click the button “Solve” to get the output. Step 3: The discriminant value will be displayed in the output field. May 7, 2022 · The common features of the polynomial function f(x) = 2x² + 7x + 6 and exponential function g(x) = 2^x + 5 are. Equal y-intercept at (0,6) Same end behavior as x approaches positive infinity; How to determine the common features? The equation of the functions are given as: f(x) = 2x² + 7x + 6. g(x) = 2^x + 5 Simplify: 4- (3 + 1)2 - 6 + 2 + 4 2. Combine like terms: 7x3 + 2x - 5x2 + 6 + x + 9 + 3x3 + 12x2 3. Simplify: (2x5- 3x2 + 4) - (x5 + 2x2+ 7) 4. Multiply: 3x2(4x3 - 2x2 + 7x - 4) 5. Evaluate: 6x2 + 9x - 7, when x = 2 6. Evaluate: 3(x - y)² + 4y - 6x + 2, when x = -1 and y = 3 7. Solve for x: 7x - 5 = 23 8. Solve for y: 7y - 4 + 3y + 6 = 9y + 8 ... Popular Problems Algebra Solve by Factoring 2x^2-7x-4=0 2x2 − 7x − 4 = 0 2 x 2 - 7 x - 4 = 0 Factor by grouping. Tap for more steps... (2x+1)(x −4) = 0 ( 2 x + 1) ( x - 4) = 0 If any individual factor on the left side of the equation is equal to 0 0, the entire expression will be equal to 0 0. 2x+1 = 0 2 x + 1 = 0 x−4 = 0 x - 4 = 0 Study with Quizlet and memorize flashcards containing terms like Describe the first step when factoring any polynomial. Why is this the first step? Explain., Determine the GCF for each of the polynomials. 2x3 - 7x2 + 3x The GCF is ___. 33x4 - 22 The GCF is ___. 24x5 - 56x3 + 16x The GCF is ___., Which polynomials are prime? Check all that apply. 2x2+ 7x + 1 5x2 - 10x + 5 3x2 + 8 4x2 - 25 x2 ... Apr 4, 2018 · 2 x2 + 7x =4 Step 1: Subtract 4 from both sides. 2 x2 + 7x −4 = 4−4 2 x2 + 7x −4 =0 Step 2: Factor left side of equation. (2x −1) (x+4) =0 Step 3: Set factors equal to 0. 2x −1 = 0 or x +4 =0 x= 12 or x = −4 Answer: x= 12 or x = − 4 1) 2x^ +9x - 5 = 0 2) 2x2 = 6x - 1 3) Sx^ + 5 = -€x II. The Discriminant The radicand - 4ac in the quadratic formula is called the discriminant. 5 Discriminant - 4ac Solutions to ax^ + bx + c = 0 Graph of y = ax^ + bx + c If b^ - 4ac > 0 The equation has two unequal REAL solutions. If b^ - 4ac is a perfect square, the solutions are RATIONAL. One of the zeroes of the polynomial 2x² + 7x -4 is a. 2, b. 1/2, c. -1/2, d. -2 - The zeros of a polynomial are the values of x which satisfy the equation y = f(x). One of the zeroes of the polynomial factor quadratic x^2-7x+12; expand polynomial (x-3)(x^3+5x-2) GCD of x^4+2x^3-9x^2+46x-16 with x^4-8x^3+25x^2-46x+16; quotient of x^3-8x^2+17x-6 with x-3; remainder of x^3-2x^2+5x-7 divided by x-3; roots of x^2-3x+2; View more examples; Access instant learning tools. Get immediate feedback and guidance with step-by-step solutions and Wolfram ... Mar 19, 2021 · Jordan bought 2 slices of cheese pizza and 4 sodas for $8.50. How much would an order of 1 slice of cheese pizza and 3 sodas cost? A. $3.25 B. $5.25 C. $7.75 D. $7.25 Mar 19, 2021 · Jordan bought 2 slices of cheese pizza and 4 sodas for $8.50. How much would an order of 1 slice of cheese pizza and 3 sodas cost? A. $3.25 B. $5.25 C. $7.75 D. $7.25 2x2-7x-30=0 Two solutions were found : x = -5/2 = -2.500 x = 6 Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 - 7x) - 30 = 0 Step 2 :Trying to factor by splitting ... 2x2-7x+3=0 Two solutions were found : x = 1/2 = 0.500 x = 3 Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 - 7x) + 3 = 0 Step 2 :Trying ...
Mar 19, 2021 · Jordan bought 2 slices of cheese pizza and 4 sodas for $8.50. How much would an order of 1 slice of cheese pizza and 3 sodas cost? A. $3.25 B. $5.25 C. $7.75 D. $7.25 . Dss 8194
Copy Examples Quadratic equation x2 − 4x − 5 = 0 May 29, 2023 · Transcript. Ex 2.3, 4 Factorise: (ii) 2x2 + 7x + 3 2x2 + 7x + 3 We factorize using the splitting the middle term method = 2x2 + 6x + x + 3 = 2x (x + 3) + 1 (x + 3) = (x + 3) (2x+ 1) Next: Ex 2.3, 4 (iii) → Ask a doubt. Chapter 2 Class 9 Polynomials. Serial order wise. Jul 22, 2015 · The discriminant of #2x^2-7x-4=0# is #81# and this means that there are 2 Real solutions for #x# to this equation. Explanation: The discriminant for a quadratic equation in the form Free factor calculator - Factor quadratic equations step-by-step Polynomial Division Calculator. Step 1: Enter the expression you want to divide into the editor. The polynomial division calculator allows you to take a simple or complex expression and find the quotient and remainder instantly. Step 2: Click the blue arrow to submit and see the result! Since 2x2 +4 2+7x−4x2 2 x 2 + 4 2 + 7 x - 4 x 2 → → ∞ ∞ as x x → → 2 2 from the left and 2x2 +4 2+7x−4x2 2 x 2 + 4 2 + 7 x - 4 x 2 → → −∞ - ∞ as x x → → 2 2 from the right, then x = 2 x = 2 is a vertical asymptote. x = 2 x = 2. List all of the vertical asymptotes: x = −1 4,2 x = - 1 4, 2. Consider the rational ... May 29, 2023 · Transcript. Ex 2.3, 4 Factorise: (ii) 2x2 + 7x + 3 2x2 + 7x + 3 We factorize using the splitting the middle term method = 2x2 + 6x + x + 3 = 2x (x + 3) + 1 (x + 3) = (x + 3) (2x+ 1) Next: Ex 2.3, 4 (iii) → Ask a doubt. Chapter 2 Class 9 Polynomials. Serial order wise. Step 1: Enter the equation you want to solve using the quadratic formula. The Quadratic Formula Calculator finds solutions to quadratic equations with real coefficients. For equations with real solutions, you can use the graphing tool to visualize the solutions. Quadratic Formula: x = −b±√b2 −4ac 2a x = − b ± b 2 − 4 a c 2 a. Copy Examples Quadratic equation x2 − 4x − 5 = 0 Polynomial Roots Calculator : 2.3 Find roots (zeroes) of : F (x) = x3-2x2-7x-4. Polynomial Roots Calculator is a set of methods aimed at finding values of x for which F (x)=0. Rational Roots Test is one of the above mentioned tools. It would only find Rational Roots that is numbers x which can be expressed as the quotient of two integers. Jan 11, 2020 · 2x2+7x−4=0 Para resolver la ecuación, desborde la mano izquierda agrupando. En primer lugar, la izquierda debe reescribirse como 2x2+ax+bx−4. Para buscar a y b, configure un sistema que se va a resolver. a+b=7ab=2(−4)=−8 Dado que ab es negativo, a y b tienen los signos opuestos. Copy Examples Quadratic equation x2 − 4x − 5 = 0 Popular Problems Algebra Solve by Completing the Square 2x^2+7x-4=0 2x2 + 7x − 4 = 0 2 x 2 + 7 x - 4 = 0 Add 4 4 to both sides of the equation. 2x2 + 7x = 4 2 x 2 + 7 x = 4 Divide each term in 2x2 + 7x = 4 2 x 2 + 7 x = 4 by 2 2 and simplify. Tap for more steps... x2 + 7x 2 = 2 x 2 + 7 x 2 = 2 Two numbers r and s sum up to -\frac{7}{2} exactly when the average of the two numbers is \frac{1}{2}*-\frac{7}{2} = -\frac{7}{4}. You can also see that the midpoint of r and s corresponds to the axis of symmetry of the parabola represented by the quadratic equation y=x^2+Bx+C. 2x2+7x+5=0 Two solutions were found : x = -5/2 = -2.500 x = -1 Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 + 7x) + 5 = 0 Step 2 :Trying to factor by splitting the ... 12x2+7x+1 Final result : (4x + 1) • (3x + 1) Step by step solution : Step 1 :Equation at the end of step 1 : ( (22•3x2) + 7x) + 1 Step 2 :Trying to ... Free math problem solver answers your linear algebra homework questions with step-by-step explanations. Jun 1, 2018 · Click here 👆 to get an answer to your question ️ Determine zeroes of polynomial 2x²+7x-4. sparshtandon20 sparshtandon20 01.06.2018 Math Secondary School Two numbers r and s sum up to -\frac{7}{2} exactly when the average of the two numbers is \frac{1}{2}*-\frac{7}{2} = -\frac{7}{4}. You can also see that the midpoint of r and s corresponds to the axis of symmetry of the parabola represented by the quadratic equation y=x^2+Bx+C. How to simplify your expression. To simplify your expression using the Simplify Calculator, type in your expression like 2 (5x+4)-3x. The simplify calculator will then show you the steps to help you learn how to simplify your algebraic expression on your own. Limit Calculator. Step 1: Enter the limit you want to find into the editor or submit the example problem. The Limit Calculator supports find a limit as x approaches any number including infinity. The calculator will use the best method available so try out a lot of different types of problems. You can also get a better visual and understanding ... .