Chapter 9 - Quadratic Functions and Equations - 9-8 Systems of Linear and Quadratic Equations - Standardized Test Prep - Page 587: 37

B

$y=2x^2-3x+2$ $x=-1$ $y=2x^2-3x+2$ $y=2(-1)^2-3(-1)+2$ $y=2*1+3+2$ $y=2+5=7$ $(-1,7)$ $x=3$ $y=2x^2-3x+2$ $y=2(3)^2-3(3)+2$ $y=2*9-9+2$ $y=18-7=11$ $(3,11)$ $m=(11-7)/(3--1)$ $m=4/4 = 1$ $y=mx+b$ $y=1*x+b$ $11=1*3+b$ $11=3+b$ $8=b$ $y=x+8$