# What is the slope of the line through (-1,-7) and (3,9)?

##### 2 Answers

The slope is

#### Explanation:

We can use the formula for calculating slope on our graph, the formula is the vertical difference over the horizontal difference of the graph. In other words, the formula is

So in our case the

#y_2=9# #y_1=-7# #x_2=3# #x_1=-1#

So if we substitute we can get our equation like this

Hope this helps!

Apr 5, 2018

#### Explanation:

The slope (or gradient,