Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 8 - Polynomials and Factoring - Cumulative Test Prep - Multiple Choice: 12

Answer

H) $\frac{1}{2}$

Work Step by Step

To answer the question, one must realize with the given points that for each time the $x$ value increases by 1, the $y$ value increases by 8. To find the $x$ value you must see what the value is when $y$ is equal to zero, meaning that it would have to move either 4 places up or down depending on which point used for reference. Since you are only moving half the amount necessary to move a full $x$ intercept, you can infer that the $y$ value is $0$ at $x=1/2$.
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