Lines and Slopes 4                           

1. Pick the location for your line.

• Move the Drawing Pad (use MoveDP), but keep the point (0,0) visible.


2. Pick a point A on y-axis and B on x-axis.

• Click on the Point icon. Point

• Click on any grid point on the y-axis - not (0,0).

• Click on any grid point on the x-axis - not (0,0).

• Write down the coordinates of A and B.

3. Check the coordinates.   


4. Draw the line.   


5. Find the equation of your line: y=mx+b

6. Check your answer!

• Type m (slope) in the box below as as a fraction a/b or as a decimal rounded to 2 decimals.

• Then click on Check Slope.

  Slope m is: 
  - - - - - - - - - - - - - - - - - - - -

• Type b (intercept) in the box below.

• Then click on Check Intercept.

  The y-intercept b is: 


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

      LFS , Created with GeoGebra