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Mathematics Past Questions and Answers

Waec Mathematics Questions

Question 1856:

Make p the subject if formula y =
a + p/a - p

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A 2a + y/a + y = p
B Ay - y/y + 1 = p
C A(y -1)/y + 1 = p
D Ay/y + 1 = p
E 2y -1/y - 1 = p

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Question 1857:

Factorize 32x³ - 8xy²

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A 4(4x + y)(2x - y)
B (16x - y)(2x + y)
C 8x(2x - y)
D 8x(2x + y)(2x - y)
E 4(2x + y)(4x - y)

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Question 1858:

The roots of a quadratic equation are -¹/₄ and 3. The quadratic equation is

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A 4x² - 13x - 3 = 0
B 4x² - 11x - 3 = 0
C 4x² + 11x - 3 = 0
D 3x² - 11x - 3 = 0
E 3x² - 11x + 3 = 0

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Question 1859:

The graph of 2y = 5x² - 3x² - 2 cuts the y axis at the point

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A (1,0)
B (-2/5, 0)
C (0, -1)
D (0, -2)
E (0, 1)

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Question 1860:

In the diagram above, O is the center of the circle of radius 3.5cm, ∠POQ = 60^o
Use the information to answer the question below [Take π = 22/7]

What is the length of the arc PXQ?

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A 22cm
B 18¹/₃cm
C 11cm
D 9¹/₆cm
E 7¹/₃cm

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