Algebra Examples

$(- 11, - 3)$ , $(9, - 7)$

Use the midpoint formula to find the midpoint of the line segment.

$(\frac{x_{1} + x_{2}}{2}, \frac{y_{1} + y_{2}}{2})$

Substitute in the values for $(x_{1}, y_{1})$ and $(x_{2}, y_{2})$ .

$(\frac{- 11 + 9}{2}, \frac{- 3 - 7}{2})$

Add $- 11$ and $9$ .

$(\frac{- 2}{2}, \frac{- 3 - 7}{2})$

Divide $- 2$ by $2$ .

$(- 1, \frac{- 3 - 7}{2})$

Subtract $7$ from $- 3$ .

$(- 1, \frac{- 10}{2})$

Divide $- 10$ by $2$ .

$(- 1, - 5)$