Lines and Slopes 1

1. Generate a line

• Click on New Line.    

• Click on the Move Drawing Pad icon if you don't see the line properly ! Then click anywhere by the line and drag it into a position you want.

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2. Choose 2 points on the line. Look for 2 points on the grid. Move the Drawing Pad again if necessary.

• Click on the Point icon.

• Click on the line to get point A on the line.

• Click on the line again to get point B on the line.

• Click on Check Points.    

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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.

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5. Check your answer!

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

• Then click on Check Answer.

  Slope of the line is: 

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

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      LFS , Created with GeoGebra