Introductory Algebra for College Students (7th Edition)

Published by Pearson

Chapter 9 - Section 9.5 - Graphs of Quadratic Equations - Exercise Set - Page 665: 11

Answer

$\text{$y-$intercept: } 3$

Work Step by Step

Setting $x=0$ and then solving for $y$, then the $y-$intercept of the given equation, $y=x^2-4x+3 ,$ is \begin{array}{l}\require{cancel} y=(0)^2-4(0)+3 \\\\ y=3 .\end{array} Hence, the $y-$intercept is \begin{array}{l}\require{cancel} \text{$y-$intercept: } 3 .\end{array}

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