Graph the line y=9-2x:

Since you know that the graph is a straight line you need only find two points that satisfy the equation and connect them with a line. From geometry you know that two points determine a line.(i.e. through two points there is one and only one line.)

But a slightly more efficient way is to write the equation in a...

(The entire section contains 187 words.)

## Unlock This Answer Now

Start your **48-hour free trial** to unlock this answer and thousands more. Enjoy eNotes ad-free and cancel anytime.

Already a member? Log in here.

**Further Reading**