Mathematics for IGCSE & O level - Proportion (Section 3 - No. 8) | ExamPlay

Mathematics for IGCSE & O level - Proportion (Section 3 - No. 8)

If y is inversely proportional to x, and y=2 when x=8, what is the constant of proportionality?

4

10

16

20

Vysvětlení

y=k/x or k=xy. 2*8 = 16.

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