The lesson begins with reviewing substituting known values into various linear formulae.

In the development phase of the lesson students learn how to create a table of results from a linear function in order to plot x and y values as coordinate pairs. As learning progresses students begin to recognise the importance of the gradient and intercept values.##### Differentiated Learning Objectives

- All students should be able to plot linear functions in the form y = x + c.
- All students should be able to plot linear functions in the form y = mx + c.
- All students should be able to plot and solve graphically equations in the form y = mx + c.

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