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Mathematics Past Questions and Answers

Jamb Mathematics Questions

Question 11:

If x - 1 and x + 1 are both factors of the equation x\(^3\) + px\(^2\) + qx + 6 = 0, evaluate p and q

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A -6, -1
B 6, 1
C 1, -1
D 6, -6

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Question 12:

Finds a positive value of p if the expression 2x² - px + p leaves a remainder 6 when divided by x - p and q

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A 1
B 2
C 3
D 4

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Question 13:

Find T in terms of K, Q and S if S = 2r(\(\piQT + K)

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A \(\frac{S^2}{2 \pi r^2Q} - \frac{k}{Q}\)
B \(\frac{S^2}{2 \pi r^2Q}\) - k
C \(\frac{S^2}{4 \pi r^2Q} - \frac{k}{Q}\)
D \(\frac{s^2}{4 \pi r^2Q}\)

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Question 14:

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

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

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Question 15:

Factorize completely the expression \(abx^2 + 6y - 3ax - 2byx\)

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A (ax - 2y)(bx - 3)
B (bx + 3)(2y - ax)
C (bx + 3)(ax - 2y)
D (ax - 2y)(ax - b)

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