Find the equation of the line.
The equation of a line is in the
format, where and .
Substitute the slope and the
point given in the problem into .
Don't forget to check your solution!
Find the coordinates of a third point on the line.
One way to find this is to substitute an
or value of your choice into the equation you found in part (a).
Sam substitutes the value
into the equation.
The coordinates of the third point that Sam found are
Complete the table in the eTool below to find the equation of the line and additional points.
Click the link at right for the full version of the eTool: AC 7-85 HW eTool