Answer:
y=5
Explanation:
Slope intercept form: y=mx+b
You know that the slope is 0, and that the line passes through (8,5). So you plug in 0 for m and (8,5) for x and y
Therefore:
5=(0)(8)+b
5=0+b
5=b
Now that you know what b is, create your equation using m and b.
y=mx+b
y=0x+5
y=5
Done!
There is also a clever trick when any line with a slope of 0 is a y=_ equation. Since you know it passes through a point where the y-coordinate is 5, you can immediately figure out that the equation is y=5.