3. Find the coordinates of A and B.

• Write these down.

4. 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).

• Finally, find the slope: Δy / Δx.

It should be a whole number.

5. Check your answer!

• Type the slope of the line in the box below.

• Then click on Check Answer.

• Click on Reset in top right corner to start over.