Answer:
y = -1x - 4
Explanation:
Equation of a line in slope intercept form is
y = mx + b where m = slope and b = y-intercept
Slope is given as -1
So y = -1x + b
Substitute for point x = -8, y = 4
4 = (-1)(-8) + b
4 = 8 + b
Subtract 8 both sides:
4 - 8 = b
b = -4
So equation of line is y = -1x - 4