Question 0118

Equations and Inequalities
2018 Paper 1 Question 4 Variant

Question

(i)
Find the exact roots of the equation
∣x2+6x−5∣=5−2x|x^2 + 6 x - 5| = 5 - 2 x
[4]
(ii)
On the same axes, sketch the curves with equations y=∣x2+6x−5∣{y=|x^2 + 6 x - 5|} and y=5−2x.{y=5 - 2 x.}
Hence solve the inequality
∣x2+6x−5∣<5−2x.|x^2 + 6 x - 5| < 5 - 2 x.
[4]

Answer