# How do you graph #y= x - 3#?

##### 1 Answer

See description

#### Explanation:

In straight line graphs it is better to determine 3 points as the third point acts as a check. They should all line up.

Determine point 1

Let

So

'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Determine point 2

Let

Add 3 to both sides

But -3+3=0#

So

'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Determine checking point 3

I chose an

So

'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Mark the points and draw a straight line through extending it to the edge of the squared area on the paper.