Math Pro
about
qns
questions
progress
Question 0118
Equations and Inequalities
2018 Paper 1 Question 4 Variant
Question
Generate new
(i)
Find the exact roots of the equation
∣
2
x
2
−
9
x
−
8
∣
=
8
+
3
x
|2 x^2 - 9 x - 8| = 8 + 3 x
∣2
x
2
−
9
x
−
8∣
=
8
+
3
x
[4]
(ii)
On the same axes, sketch the curves with equations
y
=
∣
2
x
2
−
9
x
−
8
∣
{y=|2 x^2 - 9 x - 8|}
y
=
∣2
x
2
−
9
x
−
8∣
and
y
=
8
+
3
x
.
{y=8 + 3 x.}
y
=
8
+
3
x
.
Hence solve the inequality
∣
2
x
2
−
9
x
−
8
∣
>
8
+
3
x
.
|2 x^2 - 9 x - 8| > 8 + 3 x.
∣2
x
2
−
9
x
−
8∣
>
8
+
3
x
.
[4]
Answer
Back to top ▲
about
questions
progress