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For a quadratic equation ax2+bx+c=0ax^2+bx+c=0ax2+bx+c=0, the discriminant is given by the expression [...]\text{[...]}[...].

A

2b−4ac2b-4ac2b−4ac

B

b2+4acb^2+4acb2+4ac

C

b2−4acb^2-4acb2−4ac

D

4ac−b24ac-b^24ac−b2

Card 1 of 20

2.4 The Discriminant Flashcards

  1. AS Level
  2. /Maths
  3. /2.4 The Discriminant

20 flashcards on Edexcel AS Level Maths 2.4 The Discriminant: the key formulae, methods and definitions you need to recall for Paper 1 and Paper 2.

Flashcards