CIE A Level Maths: Pure 3复习笔记1.1.2 Modulus Functions - Solving Equations
Modulus Functions - Solving Equations
Modulus graphs and equations
- Two non-parallel straight-line graphs would intersect once
- If modulus involved there could be more than one intersection
- Deducing where these intersections are is crucial to solving equations
How do I solve modulus equations?
- STEP 1 Sketch the graphs including any modulus (reflected) parts
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- (see Modulus Functions – Sketching Graphs)
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Exam Tip
Worked Example
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