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WAEC Mathematics 1996 Question 18

Question 18

Graphs of Functions

The graph of 2y = 5x2 − 3x2 − 2 cuts the y axis at the point

  1. A.(1,0)
  2. B.(−2/5, 0)
  3. C.(0, −1)
  4. D.(0,−2)
  5. E.(0,1)
Show the answer and explanation

Answer: C ((0, −1))

Explanation

A graph cuts the y-axis where x = 0. Then 2y = −2, so y = −1 and the point is (0, −1).