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1.3.6 The modulus function (A-level only)

Card 1 of 21

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

A

The range of y=∣x∣y=|x|y=∣x∣ is y≥0\boxed{y\ge 0}y≥0​.

B

999

C

For x<0x<0x<0, ∣x∣=|x|=∣x∣= −x\boxed{-x}−x​.

D

It reflects in the xxx-axis, so it opens downwards.

Card 1 of 21

1.3.6 The modulus function (A-level only) Flashcards

  1. A Level
  2. /Maths
  3. /1.3.6 The modulus function (A-level only)

21 flashcards on OCR (MEI) A Level Maths 1.3.6 The modulus function (A-level only): the key formulae, methods and definitions you need to recall for Component 01, Component 02 and Component 03.

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