Mathematics
Use graph paper for this question.
Plot the points O(0, 0), A(-4, 4), B(-3, 0) and C(0, -3).
(i) Reflect points A and B on the y-axis and name them A' and B' respectively. Write down their co-ordinates.
(ii) Name the figure OABCB'A'.
Reflection
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Answer
The graph is shown below:
(i) From graph,
The co-ordinates of A' = (4, 4) and B' = (3, 0).
(ii) From graph,
The figure OABCB'A' is an arrow head.
Hence, y-axis is the line of symmetry.
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