Using Geogebra to understand Straight Line Graphs
Changing the constant "c".
Use the slider to change the value of the constant "c" in the equation
You may change the required value by clicking "New Line"
Investigate the effect of changing the constant "c".
Now follow the instructions in the Linear Graphs worksheet, using the slider to get the line equations you need.
Fill in your ovservations on the worksheet.
GeoGebra worksheet
The effect of changing the value of "m"
Use the slider to change the coefficient of x in the equation:
Then fill in your observations on the second page of the worksheet.