Question

What s the equation of the line that passes through the points (1,8) and (-2,-7)?

Answer 1

y=5x+3

Explanation:

m=(y2-y1)/(x2-x1)

m=(-7-8)/(-2-1)

m=-15/-3

m=5

y-y1=m(x-x1)

y-8=5(x-1)

y=5x-5+8

y=5x+3