Intermediate Algebra for College Students (7th Edition)

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

Chapter 2 - Section 2.5 - The Point-Slope Form of the Equation of a Line - Exercise Set - Page 167: 88

Answer

True

Work Step by Step

Rewrite the given equation using the distributive property. $\Rightarrow y-12=8x-16$ Add $12$ to both sides. $\Rightarrow y-12+12=8x-16+12$ Simplify. $\Rightarrow y=8x-4$ This is the standard slope-intercept form, where the $y-$intercept is $-4$. Now change the subtraction signs to addition signs. $\Rightarrow y+12=8(x+2)$ Simplify. $\Rightarrow y+12=8x+16$ Subtract $12$ from both sides. $\Rightarrow y+12-12=8x+16-12$ Simplify. $\Rightarrow y=8x+4$ This is the standard slope-intercept form, where the $y-$intercept is $4$. Therefore the given statement is true.
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