Question

What is the slope of the line passing through `(2,5); (-2,7)`?

Answer 1

The slope is `-0.5` or `-1/2`

Explanation:

The slope formula is `m = (y_2 - y_1)/ (x_2 - x_1)`

So,
`y_2` = 7
`y_1` = 5

`x_2` = -2
`x_1` = 2

Replacing....

`m = (7-5)/(-2-2)`