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Card 1 of 25

Why should a quadratic inequality be rearranged with zero on one side?

A

Substitute it: the resulting sign applies throughout that root-free interval.

B

A strict region inequality uses a dashed boundary, while an inclusive region inequality uses a solid boundary.

C

To compare the quadratic's graph directly with the xxx-axis.

D

Between the roots.

Card 1 of 25

1.2.10 Quadratic inequalities Flashcards

  1. A Level
  2. /Maths
  3. /1.2.10 Quadratic inequalities

25 flashcards on OCR (MEI) A Level Maths 1.2.10 Quadratic inequalities: the key formulae, methods and definitions you need to recall for Component 01, Component 02 and Component 03.

Flashcards