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 1381: Solve the following simultaneous equation for x. x2 + y - 5 = 0, y - 7x + 3 = 0
Options:
A) -2, 4
B) 2, 4
C) -1,8
D) 1, -8
Show Answer
The correct answer is D .
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Question 1382:
Find the range of values of x for which
Options:
A) x > -6
B) x > -3
C) x < 8
D) x < 4
Show Answer
The correct answer is A .
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Question 1383:

If PN is perpendicular to QR, find the value of tan x.
Options:
A)
B)
C)
D)
E)
Show Answer
The correct answer is B .
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Question 1384: Solve the equation for the positive values of less than 360o. 3 tan + 2 = -1
Options:
A) 135o or 315o
B) 45o or 135o
C) 315o or 180o
D) 315v + 45o
E) 360o or 315o
Show Answer
The correct answer is A .
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Question 1385:
The cost C of running a school is directly proportional to the number of students N, if 20 students cost #10,000, How many students can #1,000,000 cover?
Options:
A) 3000
B) 1000
C) 2000
D) 4000
Show Answer
The correct answer is C .
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Question 1386: Express in partial fractions
Options:
A)
B)
C)
D)
Show Answer
The correct answer is B .
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Question 1387: Determine the value of x for which (x2 - 1) > 0
Options:
A) x < -1 or x > 1
B) -1 < x < 1
C) x > 0
D) x < -1
Show Answer
The correct answer is A .
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Question 1388:
At simple interest, a man made a deposit of some money in the bank. The amount in his bank account after 10 years is three times the money deposited. If the interest rate stays the same, after how many years will the amount be five times the money deposited?
Options:
A) 15 years
B) 25 years
C) 20 years
D) 30 years
Show Answer
The correct answer is C .
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Question 1389: simplify
Options:
A) 3/8
B) 2/3
C) 3/4
D) 3/2
Show Answer
The correct answer is A .
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Question 1390:
PQRS is a cyclic quadrilateral. Find +
Options:
A) 50
B) 60
C) 15
D) 0
Show Answer
The correct answer is D .