Explanation Given: The equation, x 2 − 4 x − 2 = 0 . Formula used: For all quadratic equation a x 2 + b x + c = 0 , where a ≠ 0 . Then, x = − b ± b 2 − 4 a c 2 a . Calculation: The provided equation: x 2 − 4 x − 2 = 0 Compare the provided equation with standard equation, a x 2 + b x + c = 0 . Here, a = 1 , b = − 4 and c = − 2

Intermediate Algebra Books a la Carte Edition PLUS MyLab Math (8th Edition)

8th Edition

ISBN: 9780134578507

Author: John Tobey Jr., Jeffrey Slater, Jenny Crawford, Jamie Blair

Publisher: PEARSON

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Chapter 8, Problem 5RP

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To calculate: The value of x for the equation, x2−4x−2=0 using quadratic formula.

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Chapter 8, Problem 4RP

Chapter 8, Problem 6RP

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The value of x for the equation, x 2 − 4 x − 2 = 0 using quadratic formula .

Solution Summary: The author compares the provided equation with the standard equation, ax2+bx+c=0.

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To calculate: The value of x for the equation, x2−4x−2=0 using quadratic formula.

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Chapter 8 Solutions