Find the Slope (-3,-7) , (9,-7)

$(- 3, - 7)$ , $(9, - 7)$

Step 1

Slope is equal to the change in $y$ over the change in $x$ , or rise over run.

$m = \frac{change in y}{change in x}$

Step 2

The change in $x$ is equal to the difference in x-coordinates (also called run), and the change in $y$ is equal to the difference in y-coordinates (also called rise).

$m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}$

Step 3

Substitute in the values of $x$ and $y$ into the equation to find the slope.

$m = \frac{- 7 - (- 7)}{9 - (- 3)}$

Step 4

Simplify.

Simplify the numerator.

Multiply $- 1$ by $- 7$ .

$m = \frac{- 7 + 7}{9 - (- 3)}$

Add $- 7$ and $7$ .

$m = \frac{0}{9 - (- 3)}$

Simplify the denominator.

Multiply $- 1$ by $- 3$ .

$m = \frac{0}{9 + 3}$

Add $9$ and $3$ .

$m = \frac{0}{12}$

Divide $0$ by $12$ .

$m = 0$

Step 5

Find the Slope (-3,-7) , (9,-7)

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