Algebra 1: Common Core (15th Edition)

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

Chapter 5 - Linear Functions - 5-1 Rate of Change and Slope - Practice and Problem-Solving Exercises: 50

Answer

Same line because the rate of A, B, and C are all the same.

Work Step by Step

(1,3)(4,2)(-2,4) We find the rate of all three points by using the slope formula ($\frac{b1-b2}{a1-a2}$); AB=$\frac{3-2}{1-4}$=-$\frac{1}{3}$ BC=$\frac{x}{y}$=-$\frac{2-4}{4-(-2)}$=-$\frac{2}{6}$=-$\frac{1}{3}$ They both have the rate of -$\frac{1}{3}$ so they are the same line.
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