Question

Find the slope of the line passing through each of the following pairs of points: A(−7, a) and B(c, d)

Answer 1

The formula of a slope:

`m=(y_2-y_1)/(x_2-x_1)`

We have the points A(-7, a) and B(c, d).

Substitute:

`m=(d-a)/(c-(-7))=(d-a)/(c+7)`

Exception: c ≠ -7.