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Mathematics Past Questions and Answers

Jamb Mathematics Questions

Question 26:

Simplify \(\frac{1}{x - 2}\) + \(\frac{1}{x + 2}\) + \(\frac{2x}{x^2 - 4}\)

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A \(\frac{2x}{(x - 2)(x + 2)(x^2 - 4)}\)
B \(\frac{2x}{x^2 - 4}\)
C \(\frac{x}{x^2 - 4}\)
D \(\frac{4x}{x^2 - 4}\)

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Question 27:

make U the subject of the formula S = \(\sqrt{\frac{6}{u} - \frac{w}{2}}\)

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A U = \(\frac{12}{2s^2}\)
B U = \(\frac{12}{2s+ w}\)
C U = \(\frac{12}{2s^2 + w}\)
D U = \(\frac{12}{2s^2}\) + w

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Question 28:

Find the values of x which satisfy the equation 16^x - 5 x 4^x + 4 = 0

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A 1 and 4
B -2 and 2
C 0 and 1
D -1 and 0

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Question 29:

If \(\frac{a}{c}\) = \(\frac{c}{d}\) = k, find the value of \(\frac{3a^2 - ac + c^2}{3b^2 - bd + d^2}\)

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A 3k²
B 2k - k²
C \(\frac{3b^2k^2 - bk^2d + dk^2}{3b^2 - bd + d^2}\)
D K²

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Question 30:

At what points does the straight line y = 2x + 1 intersect the curve y = 2x² + 5x - 1?

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A (-2, -3) and(\(\frac{1}{2}\), 0)
B (1, 0), (1, 3)
C (4, 0) and (0,1)
D 2, 0) and (0,1)

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