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If x is inversely proportional to y and x = 9 when y = 4,...

Mathematics
JAMB 2024

If x is inversely proportional to y and x = 9 when y = 4, find the law containing x and y

  • A. x = \(\frac{16}{y}\)
  • B. x = \(\frac{36}{y}\)
  • C. x = \(\frac{y}{36}\)
  • D. x = \(\frac{13}{y}\)
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Correct Answer: Option B
Explanation

x = \(\frac{K}{y}\)

9 =  \(\frac{K}{4}\)

K = 9 x 4 = 36

Therefore, the law connecting x and y is: x =  \(\frac{36}{y}\)

There is an explanation video available below.


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Explanation Video

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