Quelpr
6 marksDirect and Inverse Variation

CSEC Mathematics · May/June 2004 · Paper 2 · Question 9(a)

The table shows corresponding values for P and r. Given that P varies directly as r³.

Calculate the values of m and n.

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(b)(i)Obtain an expression, in terms of x, for the area of rectangle AKLM.[9 marks]
  2. 9(b)(ii)Given that the area of rectangle AKLM is 60 cm², show that 2x² + 7x - 15 = 0.[9 marks]
  3. 9(b)(iii)Hence, calculate the value of x and state the length of AK and AM.[9 marks]

More practice: the rest of this paper · more Direct and Inverse Variation questions · all CSEC Mathematics past papers