Performance Task: Going on a Round Trip — Unit test Answers
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If y varies directly as x, and y is 180 when x is n and y is n when x is 5, what is the value of n?
A
6B
18C
30D
3622
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If y varies directly as x, and y is 48 when x is 6, which expression can be used to find the value of y when x is 2?
A
y = StartFraction 48 Over 6 EndFraction (2)
B
y = StartFraction 6 Over 48 EndFraction (2)
C
y = StartFraction (48) (6) Over 2 EndFraction
D
y = StartFraction 2 Over (48) (6) EndFraction
23
Which notation best represents the phrase “at least 24”?
A
mc002-1.jpg
B
mc002-2.jpg
C
mc002-3.jpg
D
mc002-4.jpg
24
In a company, it takes 4 employees 4 days to complete a task. It would take 2 employees 8 days to complete the same task.
A
direct variation; d = keB
direct variation; de = kC
inverse variation; d = keD
inverse variation; de = k25
What is the average rate of change in f(x) over the interval [4,13]?
A
One-third
B
Four-thirteenths
C
Eleven-thirteenths
D
Eleven-eighths
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