Answer: adjoining HAVE A GREAT DAY
Choose your points, go up from the y intercept to a chosen x point. Then go over the the x point. Up and over is the formula I use.
A) multiple the 3 x 4 and add 1.
3 x 4 = 12 + 1 = 13
13/3
B) (7 x 3) + 2 = 23/3
C) (4 x 2) + 1 = 9/2
D) (2 x 8) + 7 = 23/8