
Applications of Rational Functions
Authored by Jessi Bartlett
Mathematics
11th Grade
CCSS covered
Used 73+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Bob can mow a yard in 5 hours and Jeff can mow the same lawn in 3 hours. Which equation could be used to solve an equation to find the time it would take to mow the yard if they both mowed the lawn at the same time.
Tags
CCSS.HSA.CED.A.3
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sally needs a 10% acid solution for an experiment. She has 3 mL of 18% acid solution. How much water does Sally need to mix in with the 18% solution to obtain the 10% solution? Which equation could be used to model this situation?
(.18)3+(.10)(x) = 0(x+3)
(.18)3+0(x)=.10(3+x)
(.18)3+0x=.10
(.18)3+.10(x+3)=0(x)
Tags
CCSS.HSA.CED.A.3
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
It takes Roger 2 hours to paint a room. It takes Erin 3 hours to paint the same size of room. Which equation could be used to solve to find the time it would take to paint the room if they painted together.
Tags
CCSS.HSA.CED.A.1
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
You need to create a 12 ounce mixture of 60% antifreeze. How much pure antifreeze should you mix with 40% antifreeze in order to obtain the mixture that you need? Which equation could be used to illustrate this problem?
1x + .4(x)=.60(x+12)
1x + .40(12-x)=.60(12)
1(12-x) + .4(x)=.60(12)
1x + .4(12)=.60 (x+12)
Tags
CCSS.HSA.CED.A.1
CCSS.HSA.CED.A.2
CCSS.HSA.REI.B.3
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
You need a 15% apple juice solution for a certain test. The only solutions you have already are 10% apple juice solution and 30% solution. You need 10 liters of the 15% acid solution. How many liters of 10% solution and 30% solution should you use?
8.5 Liters of 10%
7.5 Liters of 10%
10 Liters of 10%
.2 Liters of 10%
Tags
CCSS.HSA.CED.A.1
CCSS.HSA.CED.A.3
CCSS.HSA.CED.A.2
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tim can paint the football field in 8 hours. JaQuii can paint the football field in 6 hours. Damien can paint the field in 4 hours. How long does it take them to paint the field together?
Tags
CCSS.HSA.CED.A.1
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Peter can mow the lawn in 40 minutes and John can mow the lawn in 60 minutes. How long will it take for them to mow the lawn together?
Tags
CCSS.HSA.CED.A.1
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