ECZ 2010 O-Level Paper 1 — Mathematics

All 7 questions from this paper, each with a verified worked solution. Open any question to see it with the first step of the working free.

  1. Sets: Set A has 32 subsets. Find n(A).
  2. Sets: Use set notation to describe the shaded region in the Venn diagram.
  3. Matrices: Given that matrix(2, x; -4, 1) matrix(3; 4) = matrix(10; -8), find the…
  4. Symmetry: How many lines of symmetry does a regular heptagon have?
  5. Coordinate Geometry: The points A and B are (4, 0) and (0, 8) respectively. Find the equati…
  6. Relations and Functions: For the function g(x) = (4x - 3)/(2x - 5), find g(-1).
  7. Variation: Using x = kz/y^2 with k = 4.5, find y when x = 3 and z = 24.

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