Question 0118

Equations and Inequalities
2018 Paper 1 Question 4 Variant

Question

(i)
Find the exact roots of the equation
x26x5=5+x|x^2 - 6 x - 5| = 5 + x
[4]
(ii)
On the same axes, sketch the curves with equations y=x26x5{y=|x^2 - 6 x - 5|} and y=5+x.{y=5 + x.}
Hence solve the inequality
x26x5>5+x.|x^2 - 6 x - 5| > 5 + x.
[4]

Answer