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Mathematics Past Questions and Answers

Jamb Mathematics Questions

Question 11:

Make R the subject of the formula if T = \(\frac {KR^2 + M}{3}\)

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A \(\sqrt\frac{3T - K}{M}\)
B \(\sqrt\frac{3T - M}{K}\)
C \(\sqrt\frac{3T + K}{M}\)
D \(\sqrt\frac{3T - K}{M}\)

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Question 12:

Find the remainder when X³ - 2X² + 3X - 3 is divided by X² + 1

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A 2X - 1
B X + 3
C 2X + 1
D X - 3

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Question 13:

Factorize completely 9y² - 16X²

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A (3y - 2x)(3y + 4x)
B (3y + 4x)(3y + 4x)
C (3y + 2x)(3y - 4x)
D (3y - 4x)(3y + 4x)

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Question 14:

Solve for x and y respectively in the simultaneous equations -2x - 5y = 3. x + 3y = 0

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A -3, -9
B 9, -3
C -9,3
D 3, -9

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Question 15:

If x varies directly as square root of y and x = 81 when y = 9, Find x when y = 1\(\frac{7}{9}\)

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A 20\(\frac{1}{4}\)
B 27
C 2\(\frac{1}{4}\)
D 36

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