# How do you graph the function #y=-x+9#?

##### 1 Answer

Jul 30, 2017

See a solution process below:

#### Explanation:

Substitute some points for

Now, plot the points and draw a line through the points:

graph{(y+x- 9)((x+10)^2+(y-19)^2-1)((x+5)^2+(y-14)^2-1)((x+0)^2+(y-9)^2-1)((x-5)^2+(y-4)^2-1)((x-10)^2+(y+1)^2-1)=0 [-40, 40, -20, 20]}