Question

(01.05) What is the equation in point-slope form of the line passing through (−2, 0) and (2, 8)?

Answer 1

Slope of the line= $\frac{change in y}{change in y}$
m=$\frac{8-0}{2--2}$
m=8/4=2
y=2x+c
Replacing for x and y using point (-2, 0)
0=2(-2)+c
0=-4+c
c=4
y=2x+4