Algebra 1: Common Core (15th Edition)

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

Chapter 5 - Linear Functions - Chapter Review - Page 355: 18



Work Step by Step

Between the first and second pair, we can see that there is a difference of 4 in the x direction, but no change in the y direction. This means the line is flat, and thus the slope of the line is 0x. In other words, the x value does not affect the y value. When x=-3 and 1, y is always 4, meaning the constant in this function is 4.
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