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 411: Find the equation of the set of points which are equidistant from the parallel lines x = 1 and x = 7
Options:
A) y = 3
B) x = 3
C) x = 4
D) y = 4
Show Answer
The correct answer is C .
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Question 412:
The marks scored by 30 students in a Mathematics test are recorded in the table below:
Scores (Mark) | 0 | 1 | 2 | 3 | 4 | 5 |
No of students | 4 | 3 | 7 | 8 | 6 | 2 |
What is the total number of marks scored by the children?
Options:
A) 82
B) 15
C) 63
D) 75
Show Answer
The correct answer is D .
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Question 413: The perpendicular bisector of a line XY is the locus of a point B. whose distance from Y is always twice its distance from X. C
Options:
A) whose distance from X is always twice its distance from Y
B) whose distance from Y is always twice its distance from X.
C) which moves on the line XY
D) which is equidistant from the points X and y
Show Answer
The correct answer is D .
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Question 414:
In the diagram, HK is parallel to QR, PH = 4cm and HQ = 3cm. What is the ratio of KR:PR?
Options:
A) 7:3
B) 3:7
C) 3:4
D) 4:3
Show Answer
The correct answer is B .
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Question 415: A straight line makes an angle of 30° with the positive x-axis and cuts the y-axis at y = 5. Find the equation of the straight line.
Options:
A) y = (x/10) + 5
B) y = x + 5
C) √3y = - x + 5√3
D) √3y = x + 5√3
Show Answer
The correct answer is D .
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Question 416: Simplify (√98 -√50)/√32
Options:
A) 3
B) 1
C) 1/2
D) 1/4
Show Answer
The correct answer is C .
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Question 417: Integrate with respect to x
Options:
A) + k
B) - + k
C) + k
D) - 2 + k
Show Answer
The correct answer is D .
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Question 418: Each of the interior angles of a regular polygon is 140o. Calculate the sum of all the interior angles of the polygon
Options:
A) 1080o
B) 1260o
C) 1800o
D) 2160o
Show Answer
The correct answer is B .
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Question 419:
On the curve, the points at which the gradient of the curve is equal to zero are
Options:
A) c, d, f. i, l
B) b, e, g, j, m
C) a, b, c, d, f, i, j, l
D) c, d, f, h, i, l
Show Answer
The correct answer is B .
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Question 420:
The diagram above is the graph of the function f(x). Determine the range of values of x for which f(x) 0.
Options:
A) x 2
B) 0 x 2
C) -2 x 0, x 2
D) x -2, 0 x 2
Show Answer
The correct answer is C .