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WAEC Mathematics 2014 Objective — Question 28

Question 28 of 50 from the West African Examinations Council (WAEC) Mathematics 2014 Objective paper, with the correct answer and a full explanation.

Using the same graph, find the minimum value of y.

A. 0.00
B. −0.65
C. −1.25Correct
D. −2.10

Explanation

From the graph, the minimum value of y (the vertex of the parabola) is −1.25.

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