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 341: If x is jointly proportional to the cube of y and the fourth power of z. In what ratio is x increased or decreased when y is halved and z is doubled?
Options:
A) 4:1 increase
B) 2:1 increase
C) 1:1 no change
D) 1:4 decrease
E) 3:4 decrease
Show Answer
The correct answer is B .
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Question 342: If y = (2x + 1)3 find dy/dx
Options:
A) 3(2x+1)2
B) 6(2x+1)
C) 3(2x+1)
D) 6(2x+1)2
Show Answer
The correct answer is D .
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Question 343:
If X = {all the perfect squares less than 40}
Y = {all the odd numbers fro, 1 to 15}. Find X ∩ Y.
Options:
A) {3, 9}
B) {9}
C) {9, 25}
D) {1, 9}
Show Answer
The correct answer is D .
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Question 344: If p + 1, 2P - 10, 1 - 4p2are three consecutive terms of an arithmetic progression, find the possible values of p
Options:
A) -4, 2
B) -3,
C) -, 2
D) 5, -3
Show Answer
The correct answer is C .
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Question 345:
In the figure above, PQRS is a circle with ST//RQ. Find the value of x PT = PS.
Options:
A) 70
B) 55
C) 40
D) 35
Show Answer
The correct answer is B .
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Question 346: Solve the inequality x - 1 > 4(x + 2)
Options:
A) x > -3
B) x < -3
C) 2 < x < 3
D) -3 < x < -2
Show Answer
The correct answer is B .
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Question 347: The binary operation is defined by x y = xy - y - x for all real values x and y. If x 3 = 2, find x
Options:
A) -1
B) 4
C) 1
D) 5
Show Answer
The correct answer is C .
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Question 348: Which of the following is a factor of 15 + 7x - 2x2
Options:
A) x + 3
B) x - 3
C) x - 5
D) x + 5
Show Answer
The correct answer is C .
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Question 349:
What is the volume of this regular three dimensional figure?
Options:
A) 160cm2
B) 48cm2
C) 120cm2
D) 40cm2
Show Answer
The correct answer is B .
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Question 350: Simplify ( x )
Options:
A)
B)
C) -2
D) -1
Show Answer
The correct answer is B .