WAEC Mathematics 2013 Objective — Question 43
Question 43 of 50 from the West African Examinations Council (WAEC) Mathematics 2013 Objective paper, with the correct answer and a full explanation.
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If x and y are variables and k is a constant, which of the following describes an inverse relationship between x and y?
- A. y=kx
- B. y=k/xCorrect
- C. y=k√x
- D. y=x+k
Explanation
An inverse relationship is one where y is proportional to 1/x, i.e. y=k/x.
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