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JAMB Mathematics 2008 Objective — Question 18

Question 18 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2008 Objective paper, with the correct answer and a full explanation.

Solve the quadratic inequality x^2-5x+6>=0

A. x<=2, x>=3Correct
B. x<3, x>2
C. -2<=x<=-3
D. -3<x<2

Explanation

x^2-5x+6>=0 factors as (x-2)(x-3)>=0. The solution is x<=2 or x>=3.

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