Quelpr
4 marksThe Modulus Function

CAPE Pure Mathematics Unit 1 · May/June 2005 · Paper 1 · Question 2(a)

Find the range of values of the real number x < 0 such that x^2 - 2|x| - 3 < 0.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 2(b)Show that if x and y are real numbers such that x < y, then for any real number k < 0, kx > ky.[4 marks]

More practice: the rest of this paper · more The Modulus Function questions · all CAPE Pure Mathematics Unit 1 past papers