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WAEC Mathematics 2005 Question 31

Question 31

Graphs of Functions

The figure is the graph of a quadratic equation. What are the roots of the equation?

Diagram for this question
  1. A.−1 and 1
  2. B.4 and −1
  3. C.1 and 4
  4. D.4 and 4
Show the answer and explanation

Answer: C (1 and 4)

Explanation

The curve crosses the x-axis at x = 1 and x = 4.