# What is the y intercept for a line with point (9,-5) slope -1?

##### 1 Answer

Sep 29, 2015

The y intercept = 4

#### Explanation:

The general equation for a straight line is:

From the co-ordinates given we can say that:

Putting these values into the general equation gives:

Which is the

This means the equation of the line is:

It looks like this:

graph{y=-x+4 [-2.44, 7.56, -0.32, 4.68]}

You can see how the line cuts the y axis at