Question

Line CD passes through points (0, 2) and (4, 6). Which equation represents line CD?

y = 2x – 2
y = 2x + 2
y = x + 2
y = x – 2

Answer 1

To find the slope: (y1-y2)/x1-x2)
(6-2)/(4-0) slope = 1
use one of the points' coordinates to find b
2=1(0)+b
b=2
C