Answer:
y = 8x-40
Explanation:
The slope intercept form of a line is
y= mx+b where m is the slope and b is the y intercept
We know the slope is 8 and the x intercept is 5 ( 5,0)
y = 8x +b
Substitute the point into the equation
0 = 8(5)+b
0 = 40+b
b=-40
The equation is
y = 8x-40