Question 0118

Equations and Inequalities
2018 Paper 1 Question 4 Variant

Question

(i)
Find the exact roots of the equation
2x2x3=3x|2 x^2 - x - 3| = 3 - x
[4]
(ii)
On the same axes, sketch the curves with equations y=2x2x3{y=|2 x^2 - x - 3|} and y=3x.{y=3 - x.}
Hence solve the inequality
2x2x3>3x.|2 x^2 - x - 3| > 3 - x.
[4]

Answer