Question 0118

Equations and Inequalities
2018 Paper 1 Question 4 Variant

Question

(i)
Find the exact roots of the equation
x25x3=3+2x|x^2 - 5 x - 3| = 3 + 2 x
[4]
(ii)
On the same axes, sketch the curves with equations y=x25x3{y=|x^2 - 5 x - 3|} and y=3+2x.{y=3 + 2 x.}
Hence solve the inequality
x25x3>3+2x.|x^2 - 5 x - 3| > 3 + 2 x.
[4]

Answer