When you have a negative exponent, you move it to the other side of the fraction to make the exponent positive.
For example:
or 
or y²
So:

Your answer is B
Step-by-step explanation:
Here are four steps to help solve any math problems easily:
Read carefully, understand, and identify the type of problem. ...
Draw and review your problem. ...
Develop the plan to solve it. ...
Solve the problem.
Answer:
B
Step-by-step explanation:
Rise/Run - Y/X
x is going up 5
y is going up 1
so the slope is 1/5