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 to get point A.

• Write down the coordinates of A.

3. Pick a second point B on your line.

• Click on any grid point BUT not on the same vertical as point A. Why not??

• Write down the coordinates of B.

4. Check the coordinates.

5. Draw the line.

6. Calculate the slope of your line.

7. Check your answer!

• Type the slope of the line in the box below as as a fraction a/b or as a decimal rounded to 2 decimals.

• Then click on Check Slope.

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

LFS , Created with GeoGebra