Hello! The formula for the point-slope form is:
y - y1 = m(x - x1).
Since you were given the ordered pair (4, 8) where x = 4 and y = 8, and a slope value of m = 3/4, then:
Let x1 = 4
y1 = 8
m = 3/4
Then, you can plug the values in the point-slope formula:
y - 8 = 3/4(x - 4).
Hope this helps :)