Question

What is the slope of the line that goes through the points (9,-9) and (7,13)

Answer 1

`\bf Slope(m)=-11`

Explanation:

`\bf \mathrm{Slope}=\cfrac{y_2-y_1}{x_2-x_1}`

`\bf \left(x_1,\:y_1\right):\left(9,\:-9\right)`

`\bf \left(x_2,\:y_2\right):\left(7,\:13\right)`

`\bf m=\cfrac{13-\left(-9\right)}{7-9}`

`\bf m=-\cfrac{22}{2}`

`\bf m=-11`

Therefore, the slope is -11!!

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