The slope-point formula:

We have (3, -5) and (-8, 4).
Substitute:

Answer:
Step-by-step explanation:
If the (X) in this means times then
1/15
The y-axis is the line that is vertical in a graph. Four units to the right of the y-axis means that it will be four units above the x-axis, the horizontal line, which means that your x coordinate is 4, your y coordinate can be whatever you want.
Ex. (4,1) (4,8)