2023 BMSS EOY P1 Q4

2023 BMSS EOY P1 Q4

3 marks

The table shows some corresponding values of two quantities \(x\) and \(y\).

\(x\)\(1\)\(2\)\(3\)\(4\)\(5\)
\(y\)\(6\)\(3\)\(2\)\(1.5\)\(p\)
  1. Without doing any calculation, explain why \(x\) and \(y\) are inversely proportional.[1]
  2. Express \(y\) in terms of \(x\).[1]
  3. Hence, find the value of \(p\).[1]

Solution:

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Answer:(a) Multiplying \(x\) by a factor divides \(y\) by the same factor in the listed pairs. (b) \(y=6/x\). (c) \(p=1.2\).

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