Question

Write the equation of the line passing through the points (0, -4) and (-2, 2).

Answer 1

First you have to find the slope which is
(y2-y1), (x2-x1)
2-(-4)=6
-2-0=-2
so the slope is 6/-2 or just -3
Now that you have that, you have to substitute the x and the y variables for the x and y in the slope intercept equation
say you use (0,-4)
-4=-3(0)+b
You would get b=-4
so the equation would be
y=-3x-4
:D