Answer:
y2-y1/x2-x1
Explanation:
first step is to get to pints on the graph
for example
(2,3) and (4,6)
From these points we will plug them into the formula as such.
6-3 divided by 4-2
subtracting first we get
3 divided by 2
In a fraction this will be your answer. Just use the formula.