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Post-UTME Mathematics 2013 Objective — Question 14

Question 14 of 100 from the Post-UTME Screening (Post-UTME) Mathematics 2013 Objective paper, with the correct answer and a full explanation.

The graph of f(x)=x²-5x+6 crosses the x-axis at

A. (-6,0),(-1,0)
B. (-3,0),(-2,0)
C. (-6,0),(1,0)
D. (2,0),(3,0)Correct

Explanation

x²-5x+6=(x-2)(x-3), giving roots x=2 and x=3.

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