Slope: [tex] \frac{y2 - y1}{x2 - x1} [/tex]
1) (-2, 2), (2, -2)
Plug these points in.
[tex] \frac{-2 - 2}{2 - (-2)} [/tex]
[tex] \frac{-4}{4} [/tex] = -1
The slope is -1.
2) (1, 2), (-1, -2)
Plug these points in.
[tex] \frac{-2 - 2}{-1 - 1} [/tex]
[tex] \frac{-4}{-2} [/tex] = 2
The slope is 2.
3) (-2, 2), (4, 0)
Plug these points in.
[tex] \frac{0 - 2}{4 - (-2)} [/tex]
[tex] \frac{-2}{6} [/tex] = -[tex] \frac{1}{3} [/tex]
The slope is -1/3.
