
Writing and interpreting functions
Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ounces of medication vary directly with the weight of the patient. If a 120-pound adult requires 3 ounces of a medication, how many ounces would be needed for a 200-pound adult?
2 ounces
3 ounces
5 ounces
9 ounces
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a joint variation, y = 105 when x = 5 and z = 7.
Find the value of y when x = 9 and z = 10.
270
180
360
255
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If y varies inversely with x, and y = 6 when x = 2, find y when x = 4.
4
2
3
1
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
The gallons of water used to take a shower varies directly with the number of minutes in the shower. If a 6 minute shower uses 36 gallons of water, how many minutes was a shower that used 90 gallons of water?
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The value of y varies directly with x. If x = 3, then y = 21. What is the value of x when y = 105?
3/5
1 2/3
7
15
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The height of a wave in Huntington Beach, CA varies directly with the seconds that pass by. At 4 seconds, the wave is 6 feet high. How many seconds will give you a wave that is 10 feet high?
y = 2/3x
6
6.6
7
7.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
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