What is the equation of a line with the points (1,-3) and (3,3)?

1 Answer
May 20, 2018

y=3x-6

Explanation:

Find the gradient of the line

m=(y_2-y_1)/(x_2-x_1)

m=(-3-3)/(1-3)

m=-6/-2

m=3

Find the equation using the point gradient formula,

(y+3)=3(x-1)
y+3=3x-3
y=3x-6