Skip to content

Course home

Sign up

3.5 Quadratic Inequalities

EasyMedium
12345678
Question 8
a.

Solve the inequality

x2+8x>20 x^2 + 8x > 20 x2+8x>20
[3]
b.

Find the set of values for x x\,x which satisfy both of the inequalities

x2+8x>20 x^2 + 8x > 20 x2+8x>20 18+3x<k+x 18 + 3x < k + x 18+3x<k+x

where k>22k>22k>22. Give your answer in terms of kkk.

[2]
Markscheme

3.5 Quadratic Inequalities Questions

  1. A Level
  2. /Maths
  3. /3.5 Quadratic Inequalities

38 exam-style questions on Edexcel A Level Maths 3.5 Quadratic Inequalities. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank