Question 410659
The point (8,-5) lies on the graph of f(x)=mx-3. Find m.
.
(8,-5) is a point (x,y) on the graph
so plug it in
where
f(x) is the same as 'y'
.
-5 = m(8)-3
-2 = m(8)
-2/8 = m
-1/4 = m