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WAEC Mathematics 2018 Question 50

Question 50

Graphs of Functions

The graphs of y = x2 and y = x intersect at which of these points?

  1. A.(0, 0), (1, 1)
  2. B.(0, 0), (0, 1)
  3. C.(1, 0), (0, 0)
  4. D.(0, 0), (0, 0)
Show the answer and explanation

Answer: A ((0, 0), (1, 1))

Explanation

x² = x gives x = 0 or 1, so the points are (0, 0) and (1, 1).