## Intermediate Algebra for College Students (7th Edition)

Published by Pearson

# Chapter 5 - Section 5.7 - Polynomial Equations and Their Applications - Exercise Set - Page 391: 47

#### Answer

$\bf graph(d)$

#### Work Step by Step

Given: $x^2-6x+8=0$ Need to use factorization to solve the quadratic equation. This can be factorized as follows: $x^2-2x-4x+8=0$ or, $(x-2)(x-4)=0$ Now $x-2=0$ and $x-4=0$ Roots are $x=2,4$. These values are represented by $\bf graph(d)$

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