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 561: Factorize complete;y (4x+3y)2 - (3x-2y)2
Options:
A) (x+5y)(7x+y)
B) (x+5y)(7x-y)
C) (x-5y)(7x+y)
D) (x-5y)(7x-y)
Show Answer
The correct answer is A .
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Question 562: Simplify
Options:
A) x2 + xy + y2
B) x + x + y
C) x - xy
D) y
Show Answer
The correct answer is B .
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Question 563:
Find the determinant of the matrix A =
Options:
A) 4
B) 2
C) 5
D) 3
Show Answer
The correct answer is D .
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Question 564: Evaluate [ ]-1 correct to 2 decimal places
Options:
A) 3.76
B) 1.25
C) 0.94
D) 0.75
Show Answer
The correct answer is B .
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Question 565: An arc subtends an angle of 30o at the centre of a circle radius 12cm. Calculate the length of the arc.
Options:
A) 6cm
B) 2cm
C) 3cm
D) 9cm
Show Answer
The correct answer is B .
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Question 566: By selling an article for ₦45.00 a man makes a profit of 80%. For how much should he have sold it in order to make a profit of 32%?
Options:
A) ₦180.00
B) ₦59.00
C) ₦63.00
D) ₦58.00
E) ₦55.00
Show Answer
The correct answer is E .
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Question 567: If x y = x + y2, find the value of (2 3)5
Options:
A) 25
B) 11
C) 55
D) 36
Show Answer
The correct answer is D .
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Question 568: Find the value of
Options:
A) 12
B) 10
C) -1
D) -2
Show Answer
The correct answer is D .
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Question 569:
The figure is an example of the construction of a
Options:
A) perpendicular bisector of a given straight line QR
B) perpendicular from a given point to a given line QR
C) perpendicular to a line from a given point P on that line
D) given angle
Show Answer
The correct answer is B .
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Question 570:
Find the inequality which represents the shaded portion in the diagram
Options:
A) 2x - y - 2 0
B) 2x - y - 2 0
C) 2x - y - 2 < 0
D) 2x - y - 2 > 0
Show Answer
The correct answer is A .