Answer:

Step-by-step explanation:
Let the points be A and B
A ( -2 , 3 ) ⇒( x₁ , y₁ )
B ( 1 , -3 )⇒( x₂ , y₂ )
Now, let's find the slope:
Slope =

plug the values
⇒

When there is a ( - ) in front of an expression in parentheses , change the sign of each term in the expression
⇒

Calculate
⇒

⇒

Hope I helped!
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