MathematicsVariationJAMB
y varies inversely as the square of x. If y = 4 when x = 3, find y when x = 6.
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Answer: B. 1
y = k/x²: k = 4 × 9 = 36; y = 36/36 = 1.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.