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 21:
If y = x2 - x - 12, find the range of values of x for which y 0,
Options:
A) -3 x 4
B) x -3 or x 4
C) -3 x 4
D) x -3 or x 4
Show Answer
The correct answer is C .
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Question 22: If y = x sinx, find
Options:
A) sin x - x cosx
B) sinx + x cosx
C) sinx - cosx
D) sinx + cosx
Show Answer
The correct answer is B .
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Question 23: If y = 243(4x + 5)-2, find when x = 1
Options:
A)
B)
C)
D) -
Show Answer
The correct answer is A .
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Question 24:
The number line represented by the inequality
Options:
A) x≤2
B) x<2
C) x≥2
D) x>2
Show Answer
The correct answer is C .
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Question 25: Simplify
Options:
A) a
B) a-
C) a2 + 1
D) a
E) a
Show Answer
The correct answer is E .
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Question 26: If the operation * on the set of integers is defined by p * Q = , find the value of 4 * ( 8 * 32).
Options:
A) 8
B) 3
C) 16
D) 4
Show Answer
The correct answer is A .
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Question 27:
In the parallelogram PQRS given, find angle < SQR
Options:
A) 50
B) 80
C) 80cm2
D) 100
Show Answer
The correct answer is D .
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Question 28:
factorize m - m + 2m - 2
Options:
A) (m2 + 1)(m - 2)
B) (m - 1)(m + 1)(m + 2)
C) (m - 2)(m + 1)(m - 1)
D) (m2 + 2)(m - 1)
Show Answer
The correct answer is D .
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Question 29: A square of cardboard is taped at the perimeter by a piece of ribbon 20cm long. What is the area of the board?
Options:
A) 20sq.cm
B) 100sq.cm
C) 25sq.cm
D) 16sq.cm
E) 36sq.cm
Show Answer
The correct answer is C .
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Question 30:
If , find the value of x.
Options:
A) 5
B) 8
C) 6
D) 3
Show Answer
The correct answer is B .