Quelpr
1 markProblem Solving with Graphs

CSEC Mathematics · May/June 2015 · Paper 2 · Question 9(a)(iii)

A teacher marks an examination out of a maximum of 120 marks. The marks are then converted to percentages.

A candidate is awarded 95 marks on the examination. Use the graph drawn at (ii) to determine the candidate's percentage. Draw lines on your graph to show how the percentage was obtained. Percentage: ____________

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. 9(a)(i)Calculate the percentage for a student who scores 60 marks[2 marks]
  2. 9(a)(ii)On the graph sheet on page 27, plot a graph to show the information in (i).[2 marks]
  3. 9(a)(iv)A candidate is awarded a Grade A if her percentage is 85% or more. Use the graph drawn at (ii) to determine the minimum mark the candidate needs to be awarded…[2 marks]
  4. 9(b)(i)Evaluate g(5).[2 marks]
  5. 9(b)(ii)Write an expression in terms of x for f⁻¹(x).[2 marks]
  6. 9(b)(iii)Write an expression for gf(x), in the form (x + a) (x + b), where a and b ∈ R.[4 marks]

More practice: the rest of this paper · more Problem Solving with Graphs questions · all CSEC Mathematics past papers