Answer:
y = -4x - 24
Explanation:
Firstly, figure out the slope. To do that, plug the coordinates in the formula.
y2 - y1 / x2 -x1
= -24 - 0 / 0 - (-6)
= -4
The slope is -4/1x.
To figure out the y-intercept, you need to plug one of the coordinates into
y = -4x + b
0 = -4(-6) + b
0 = 24 +b
-24 = b