Algebra 1

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

Chapter 5 - Linear Functions - Mid-Chapter Quiz: 1

Answer

Rate of change is 2 points increase per hour.

Work Step by Step

In order to find the rate of change lets plug two points from the table (5,85) & (8,91) and plug it into our slope equation (y2-y1)/(x2-x1) (91-85)/(8-5) [simplify] 6/3=2 So our rate of change is 2/1. This means that for every hour you study more, your test score (grade) will increase by 2.
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