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CSEC Mathematics · January 2012 · Paper 2 · Question 6(b)

Using a scale of 2 cm to represent 1 unit on the x-axis, and 1 cm to represent 1 unit on the y-axis, plot the points whose x and y values are recorded in your table, and draw a smooth curve through your points.

This question uses a figure or table from the paper — you'll see it when you practise.

The mark scheme is shown once you've answered.

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Other parts of this question

  1. 6(a)Copy and complete the table.[2 marks]
  2. 6(c)Using your graph, estimate the value of y when x = 3.5. Show on your graph how the value was obtained.[2 marks]
  3. 6(d)(i)Write the equation of the axis of symmetry of the graph.[1 mark]
  4. 6(d)(ii)Estimate the minimum value of the function y.[1 mark]
  5. 6(d)(iii)State the values of the solutions of the equation: x² – 2x – 3 = 0.[1 mark]

More practice: the rest of this paper · more Graphs of Quadratic Functions questions · all CSEC Mathematics past papers