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A-Level Maths | Quadratics

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< GCSE Recap

The Discriminant

  • if a quadratic has two distinct solutions, then b2-4ac > 0
  • if a quadratic has one repeated solution, then b2-4ac = 0
  • if a quadratic has no solutions, then b2-4ac < 0

Question 1

Question 2a

Question 2b

Question 2c

Question 2d

Question 2e

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

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