Question

Given the point (2, 3) and the slope of 4, find y when x = 22.

A. 78 
B. 83 
C. 88 
D. 91

Answer 1

using
y - y1 = m(x - x1)
y - 3 = 4(22 - 2)
y - 3 = 4(20)
y - 3 = 80
y = 83

answer
B. 83