Skip to content

Course home

1.2.12 The modulus function (A-level only)

Evaluate ∣3−8∣+∣−4∣|3-8|+|-4|∣3−8∣+∣−4∣.

A

999

B

For every real xxx, ∣x∣≥0\boxed{|x|\ge 0}∣x∣≥0​.

C

1<x<71<x<71<x<7

D

Equal moduli satisfy ∣a∣=∣b∣⟺a2=b2\boxed{|a|=|b|\Longleftrightarrow a^2=b^2}∣a∣=∣b∣⟺a2=b2​.

1.2.12 The modulus function (A-level only) Flashcards

  1. A Level
  2. /Maths
  3. /1.2.12 The modulus function (A-level only)

Flashcards for OCR A Level Maths 1.2.12 The modulus function (A-level only), covering the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3. 20 cards, matched to the OCR A Level Maths (H240) specification. Recall questions account for roughly 50% of marks at A Level Maths, so these target the marks you can secure before the paper starts.