0580/13 May/Jun 2022, Question 12: Zero and Negative Indices with Letters
Cambridge IGCSE Mathematics 0580 · Paper 13 (Core) · Calculator · 2 marks
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The question, in short
Simplify two short algebraic expressions involving powers of y and x.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Part (a) · 1 mark
Simplify y³ ÷ y⁵, giving the result as a power of y.
- 1y³ ÷ y⁵ = y³⁻⁵ = y⁻²
Answery⁻² or 1/y²
Part (b) · 1 mark
Simplify 7x⁰, evaluating the zero power.
- 1x⁰ = 1, so 7x⁰ = 7
Answer7
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Also searched as: 0580/13/M/J/22 · 0580_s22_qp_13 · 0580 s22 13 · question 12.
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