Quelpr

CSEC Mathematics · May/June 2010 · Paper 2 · Question 5(b)(iii)

The diagram below shows the graph of y = x^2 + 2x – 3 for the domain -4 ≤ x ≤ 2.

Use the graph above to determine the values of x for which y = 0

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.

Practise this question

Other parts of this question

  1. 5(a)(i)a)Calculate the value of f(4)[1 mark]
  2. 5(a)(i)b)Calculate the value of gf(4).[2 marks]
  3. 5(a)(ii)Find f^-1(x).[2 marks]
  4. 5(b)(i)Use the graph above to determine the scale used on the x-axis[1 mark]
  5. 5(b)(ii)Use the graph above to determine the value of y for which x = -1.5[2 marks]
  6. 5(b)(iv)Use the graph above to determine the range of values of y, giving your answer in the form a ≤ y ≤ b, where a and b are real numbers.[2 marks]

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