
Writing and interpreting functions

Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
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Used 6+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suppose y varies directly as x. If y = 30 when x = 8, find y when x = 4.
1.07
15
26
60
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For a group of objects made of the same material, the weight of an object varies directly with its volume. If an object has a volume of 10 cubic inches and weighs 14 ounces, what is the constant of variation?
7/5
5/7
140
14
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Translate into a variation equation.
m varies directly as the square of n
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If y varies inversely with x, and y = 10 when x = 5, what is the value of y when x = 2?
15
5
25
20
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Find the missing value of an inverse variation given, (6, 6) and (x, 4)
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
y varies inversely with x. When y = 24, x = 3.
What is the value of y when x = 2?
36
8
16
12
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The time it takes Mr. Smith to build a desk with his students in woodshop varies inversely with the number of students he has in class. Last semester it took 200 working hours for 8 students to build a desk. Write the equation to represent the situation.
t = 1600/s
t= .04s
s = 1600/t
s = .04t
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