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3.5 Quadratic Inequalities

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Question 28
a.

The solution of the inequality

x2+ax>b x^2 + ax > b x2+ax>b

is x<−8x<-8x<−8 or x>3x>3x>3.

Find the values of a a\,a and bbb.

[3]
b.

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

x2+5x>24 x^2 + 5x > 24 x2+5x>24 16+3x<23+x 16 + 3x < 23 + x 16+3x<23+x
[1]
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.

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