Answer: C. 1/5
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Here provided two points:
Formula:
[tex]\sf slope: \dfrac{y_2 - y_1}{x_2- x_1} \ \ where \ (x_1 , \ y_1), ( x_2 , \ y_2) \ are \ points[/tex]
Using formula, substitute values:
[tex]\sf slope = \dfrac{3-2}{4-(-1)}[/tex]
[tex]\sf slope = \dfrac{1}{4+1}[/tex]
[tex]\sf slope = \dfrac{1}{5}[/tex]