1. Pick the location for your line.
• Click on the Move Drawing Pad icon 
.
• Then click anywhere in the graph and drag it wherever you want. Keep the point (0,0) visible 
!
2. Pick a first point A on your line.
• Click on the Point icon. 
• Click on any grid point.
• Write down the coordinates of A.
3. Pick a second point B on your line.
• Click on a grid point anywhere you want BUT not on the same vertical or horizontal as point A. Why not??
• Write down the coordinates of B.
4.Check the coordinates.
5.Draw the line.
6. Find the slope of the line.
• Find the change in the y-values: Δy = y(B)-y(A).
• Find the change in the x-values: Δx = x(B)-x(A).
• Find the slope: Δy / Δx.
7. Check your answer!
• Type the value of your slope in the box below. You may write it as a fraction a/b or as a decimal rounded to 2 decimal places. Then click on Check Answer.
• Click on Reset to start over.