Question

Find the equation for the line with slope-= -4 and passing through (-9,40) write your equation in the form y=mx+b

Answer 1

Slope m = Y/X

m = -4

Now find b

b = y - mx

replace now by (-9,40)

b = 40 - (-4)•(-9) = 40 - 36 = 4

Then finally write whole equation

y = -4x + 4