Question

A line passes through (0, -1.8) and has a slope of -3. Write an equation of the line.​

Answer 1

y=-3x-1.8

Explanation:

y-y1=m(x-x1)

y-(-1.8)=-3(x-0)

y+1.8=-3(x)

y+1.8=-3x

y=-3x-1.8