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2 marksDirect and Inverse Variation

CSEC Mathematics · May/June 2007 · Paper 2 · Question 5(a)

Variables x and y are related such that 'y varies inversely as the square of x'.

Write an equation in x, y and k to describe the inverse variation, where k is the constant of variation.

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Other parts of this question

  1. 5(b)(i)Using the information in the table above, calculate the value of k, the constant of variation.[6 marks]
  2. 5(b)(ii)Using the information in the table above, calculate the value of r.[1 mark]
  3. 5(b)(iii)Using the information in the table above, calculate the value of f.[1 mark]
  4. 5(c)Determine the equation of the line which is parallel to the line y = 2x + 3 and passes through the coordinate (4,7).[4 marks]

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