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Answer :

We have to use the slope formula.

[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]

Let's replace the given points.

[tex]m=\frac{1-(-7)}{8-4}=\frac{1+7}{4}=\frac{8}{4}=2[/tex]

Hence, the slope is 2.

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