Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 9 - Quadratic Functions and Equations - 9-7 Linear Quadratic, and Exponential Models - Practice and Problem-Solving Exercises - Page 593: 18

Answer

Linear; $y = 59x + 189$

Work Step by Step

Graph all the points given. As shown in the image, the points model linear data. They all make a line. We can also find that the rate of change (slope) is constant for each point. To make the equation, find the slope of the line. The slope of the line is $59$. Now we have the equation $$y = 59x + q$$ Plug in any (x,y) given in the question. $ 248 = 59 + q$ $ 189 = q$ $q = 189$ Now we have the equation $$y = 59x + 189$$
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