TYPES OF VARIATIONS
Mathematics
9th - 10th Grade
CCSS covered
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22 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Y varies directly with x, and y is 84 when x is 16. Which equation represents this situation?
Tags
CCSS.HSA.CED.A.1
CCSS.HSA.CED.A.2
CCSS.HSA.SSE.A.1
CCSS.HSF.LE.A.2
CCSS.HSF.BF.A.1
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Is the given table a direct variation? If so, what is the constant of variation?
Tags
CCSS.HSA.CED.A.2
CCSS.HSF.LE.A.2
CCSS.HSS.ID.C.7
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The number of hours to paint a house varies inversely with the number of painters working. A 2400-square foot house can be painted in 27 hours by 6 painters. How many painters would need to work in order to paint the house in 18 hours?
Tags
CCSS.HSA.CED.A.1
CCSS.HSA.CED.A.2
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Boyle’s Law states that, for a fixed amount of gas, the volume of the gas at a constant temperature is inversely proportional to the pressure. If a certain gas occupies 9.84 liters at a pressure of 50 centimeters of mercury (cm Hg), what is the approximate pressure when the volume is increased to 12 liters?
Tags
CCSS.HSA.CED.A.1
CCSS.HSA.CED.A.2
CCSS.HSA.REI.B.3
CCSS.HSA.CED.A.4
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The time it takes to fly from Los Angeles to New York varies inversely as the speed of the plane. If the trip takes 6 hours at 900 km/h, how long would it take at 800 km/h?
Tags
CCSS.HSA.CED.A.1
CCSS.HSA.SSE.A.1
CCSS.HSA.CED.A.4
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Trina's paycheck earnings varies directly as the number of hours she works. If she works 19 hours and earns $187.15, what should she earn if she worked 40 hours?
Tags
CCSS.HSF-LE.A.1B
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Is the given table a direct variation? If so, what is the constant of proportionality?
Tags
CCSS.HSF.LE.A.2
CCSS.HSS.ID.C.7
CCSS.HSF.IF.B.4
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