## Algebra 1: Common Core (15th Edition)

Published by Prentice Hall

# Chapter 5 - Linear Functions - 5-3 Slope-Intercept Form - Practice and Problem-Solving Exercises - Page 312: 26

y=1.5x-2

#### Work Step by Step

You have to put it into slope-intercept form. Use two points (2,1)(0,2) and use the slope formula (m=$\frac{y2-y1}{x2-x1}$): m=$\frac{1-(-1)}{2-0}$=$\frac{3}{2}$=1.5 The slope is 1.5. Plug it into the slope-intercept form: y=mx+b 1=1.5(-2)+b b=-2 Put the values into the equation: y=-1.5x-2.

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