Cambridge AS & A Level Mathematics
3.1aThe modulus function
The modulus function in Cambridge AS & A Level Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic19 practice questions1 lesson
Learning objectives
What the syllabus expects you to be able to do.
- 3.1.1Papers 2 and 3: understand |x|, sketch y = |ax + b| and use |a| = |b| ⇔ a² = b² and |x − a| < b ⇔ a − b < x < a + b in equations and inequalities.
Lessons
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The modulus function: graphs, equations and inequalities
40 min
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Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
Turn The modulus function into a strength.
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