Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 8 - Section 8.2 - The Quadratic Formula - Concept and Vocabulary Check - Page 607: 3

Answer

Write the equation $x^2 = 4x + 1$ in the form $ax^2+bx+c=0$. $x^2 = 4x + 1$ Subtract $4x+1$ on both sides. $x^2 - (4x+1)= 4x + 1-4x+1$ $x^2 - 4x-1=0$ Get the coefficients: $a=1$ $b=-4$ $c=-1$

Work Step by Step

Write the equation $x^2 = 4x + 1$ in the form $ax^2+bx+c=0$. $x^2 = 4x + 1$ Subtract $4x+1$ on both sides. $x^2 - (4x+1)= 4x + 1-4x+1$ $x^2 - 4x-1=0$ Get the coefficients: $a=1$ $b=-4$ $c=-1$
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