Mathematics looks at measurement, relationships, and properties of numbers and groups using numbers and symbols. Important topics in math include arithmetic, algebra, geometry, and calculus.
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Question 391: Divide x3 - 2x2 - 5x + 6 by (x - 1)
Options:
A) x2 - x - 6
B) x2 - 5x + 6
C) x2 - 7x + 6
D) x2 - 5x - 6
Show Answer
The correct answer is A .
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Question 392: Rationalize 5 ÷ (2 − √3)
Options:
A) 3(2 + √5)
B) 2(3 + √5)
C) 5(2 + √3)
D) 3 √2 + 1
Show Answer
The correct answer is C .
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Question 393:
Given U = {x is a positive integer less than 15} and P = {x is even number from 1 to 14}. Find the compliment.
Options:
A) {1, 3, 5, 7, 9, 11, 13, 15}
B) {2, 3, 5, 7, 9, 11, 13}
C) {1, 3, 5, 7, 9, 11, 13}
D) {2, 3, 5, 7, 11, 15}
Show Answer
The correct answer is C .
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Question 394: Solve the simultaneous equations for x in x2 + y - 8 = 0, y + 5x - 2 = 0
Options:
A) -28, 7
B) 6, -28
C) 6, -1
D) -1, 7
E) 3, 2
Show Answer
The correct answer is C .
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Question 395: Musa borrows ₦10.00 at 2% per month simple interest and repays ₦8.00 after 4 months. How much does he still owe
Options:
A) ₦10.80
B) ₦10.67
C) ₦2.80
D) ₦2.67
Show Answer
The correct answer is C .
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Question 396: How many sides has a regular polygon whose interior angle is 135o
Options:
A) 12
B) 10
C) 9
D) 8
Show Answer
The correct answer is D .
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Question 397: If y = x2 - (1/x). find dy/dx
Options:
A) 2x - (1/x2)
B) 2x + x2
C) 2x - x2
D) 2x + (1/x2)
Show Answer
The correct answer is D .
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Question 398:
In the figure, 0 is the centre of circle PQRS and PS//RT. If PRT = 135, then PSO is
Options:
A) 67
B) 22
C) 33
D) 45
E) 90
Show Answer
The correct answer is D .
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Question 399: Simplify
Options:
A) 3
B) 3
C) 3
D) 3
Show Answer
The correct answer is A .
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Question 400: The curved surface area of a cylinder 5cm high is 110cm2. Find the radius of its base
π =
Options:
A) 2.6cm
B) 3.5cm
C) 3.6cm
D) 7.0cm
Show Answer
The correct answer is B .