Question 0118

Equations and Inequalities
2018 Paper 1 Question 4 Variant

Question

(i)
Find the exact roots of the equation
x2+3x6=6x|x^2 + 3 x - 6| = 6 - x
[4]
(ii)
On the same axes, sketch the curves with equations y=x2+3x6{y=|x^2 + 3 x - 6|} and y=6x.{y=6 - x.}
Hence solve the inequality
x2+3x6>6x.|x^2 + 3 x - 6| > 6 - x.
[4]

Answer