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Unit Test #35
Select your answers to the following 10 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.
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Q1:
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The diagram shows the graph of x2+ y2 = 9
This is an example of: |
A. a function
B. a relation
C. a domain
D. a range |
Answer 1:
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Q2:
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The point that lies on the graphs of both x - y = 7 and xy = -12
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A. (4, -3)
B. (4, 3)
C. (-4, -3)
D. (-4, 3) |
Answer 2:
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Q3:
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Which of the following graphs would be a relation but not a function? |
A. A straight line
B. A circle
C. a parabola
D. a cubic |
Answer 3:
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Q4:
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The formula to find the sum of the first nnatural numbers 1, 2, 3...n is given by
 .
The sum of the first 100 natural numbers is:
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A. 100
B. 2025
C. 5000
D. 5050 |
Answer 4:
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Q5:
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In a room, the number of chairs, c, is related to the number of tables, t, by c = 4t + 4
There are 52 chairs in the room.
The number of tables is: |
A. 12
B. 14
C. 212
D. 224 |
Answer 5:
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Q6:
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Given a relation
A = {(2,3), (3, 4)}
The range is
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A. {2, 3}
B. {3, 4}
C. {2, 3, 4}
D. {3} |
Answer 6:
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Q7:
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The point that lies on both of the lines 3x + 4y = 18 and x - 2y = -4 is |
A. (6, 0)
B. (2, -3)
C. (4,  )
D. (2, 3) |
Answer 7:
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Q8:
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For the function y = 2x - 3
Find m in the set of ordered pairs:
{(2, 1), (3, 3), (6, m)} |
A. 9
B. 5
C. 4
D. 3 |
Answer 8:
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Q9:
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For the function y = 2x - 3
Find n in the set of ordered pairs:
{(2, 1), (3, 3), (n, 7)}
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A. 7
B. 5
C. 4
D. 11 |
Answer 9:
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Q10:
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Given a relation A = {(2,3),(3, 4)}
The domain is: |
A. {2, 3}
B. {2, 3, 4}
C. {3, 4}
D. {3} |
Answer 10:
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