Question

What is the equation of the line that passes through the point (1, -3) and has a
slope of -3?

Answer 1

y=3x

Explanation:

y-y1=m(x-x1)

given m=-3(slope)

(x1,y1)=(1,-3) is the point, through which a line passes

therefore,

line equation is, y-(-3)=-3(x-1)

y+3=-3x+3

y=3x