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Math 7 Open-Book Quiz on Functions Lessons 1 and 2
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Quiz Questions
Choose the best answer from the answer choices.
Which of these number sets contain ordered pairs that makes the function -3x-y=6 true?
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9 points
{(3, –15), (–4, 6), (6, –24), (4, –18)}
{(3, –15), (4, 6), (6, –24), (–4, –18)}
{(3, –18), (–4, 6), (6, –27), (4, –18)}
Either find the x- and y-intercepts, or choose some x's and find their y's in the function y=5x+2. Then use your points to match which graph represents the function.
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7 points
A
B
C
D
Which relationship IS a function?
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9 points
D
C
B
A
Find the value of f(-18) for the function f(x)=5x-6.
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9 points
-96
-84
-19
-7
Which relationship IS a function?
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9 points
A
B
C
Either find the x- and y-intercepts, or choose some x's and find their y's in the function y=-5x+3. Then use your points to match which graph represents the function.
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7 points
A
B
C
D
Find the value of f(8) for the function f(x)=4x+4.
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9 points
32
36
40
28
Which relationship IS a function?
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9 points
{(5, 3), (2, 8), (–5, –1), (4, 7), (2, 1)}
{(5, 3), (2, 8), (–5, –1), (4, 7), (5, 7)}
{(–5, 3), (2, 8), (–5, –1), (4, 7), (2, 2)}
{(5, 3), (2, 8), (–5, –1), (4, 7), (–2, 1)}
Either find the x- and y-intercepts, or choose some x's and find their y's in the function y=-3x-2. Then use your points to match which graph represents the function.
*
7 points
A
B
C
D
Which relationship IS a function?
*
9 points
A
B
C
D
Which of these number sets contain ordered pairs that make the function y=3x+5 true?
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7 points
{(4, 20), (–3, –4), (6, 26), (–2, –1)}
{(4, 17), (–3, –4), (6, 23), (–2, –1)}
{(4, 17), (–2, –4), (6, 23), (–3, –1)}
Which relationship IS a function?
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9 points
A
C
B
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