The answer is:
 

 

 The explanation is shown below:
 1. You have the following formula for calculate the slope:
 

 2. The points given in the problem are: 
 (5,-2) and (-3,1)
 Therefore:
 

 3. When you substitute these values into the formula for calculate the slope, you obtain:
 
 (The first option)
 (The first option)
 4. You can also use the following formula for calculate the slope:
 
 
 
 5. When you substitute values, you obtain:
 
 (The fourth option)
 (The fourth option)