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JAMB Mathematics 2013 Objective — Question 17

Question 17 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2013 Objective paper, with the correct answer and a full explanation.

The graph above is correctly represented by:

A. A. y=x²−x−1
B. B. y=x²+x−2
C. C. y=x²−x−2Correct
D. D. y=x²−3x+2

Explanation

Roots at x=−1 and x=2; y=x²−x−2 gives zeros at those points.

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