(a) Recall, on the graph paper, each 'big' square with the 'darkened' green link measures 2 cm x 2 cm.

(b) Substitute the given values of

*x*and

*y*to find the unknowns.

(c) Remember to check the domain for the plot.

(d) Things that must be present when

**plotting**the graph:

- label
*x*and*y*axes - markings on the axes must be clearly indicated/ written (including the origin)
- label the line with the given equation
- plot the points with crosses clearly

(e) To read points, the working is represented by the

**dotted**lines.

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