
Modeling Linear Functions
Authored by Alberto Leiro
Mathematics
9th Grade
CCSS covered
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
David is running a concession stand at a soccer game. He sells nachos and sodas. Nachos cost $1.50 each and sodas cost $0.50 each. At the end of the game, David made a total of $78.50 and sold a total of 87 nachos and sodas combined. Which system of equations represents this situation?
x+y=87
1.5x+0.5y=87
1.5x+0.5y=87
x+y=87
Tags
CCSS.HSA.CED.A.3
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
On Monday Joe bought 10 cups of coffee and 5 doughnuts for his office at the cost of $16.50. On Tuesday he bought 5 cups of coffee and 10 doughnuts for a total of $14.25. Which equations could be used to determine the cost of the coffee?
5c + 10d = 16.50
5c + 10d = 14.25
5c + 10d = 16.50
5c + 10d = 16.50
Tags
CCSS.8.EE.C.8C
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Your family goes to a restaurant for dinner. There are 6 people in your family. Some order the chicken dinner for $14.80, and some order steak for $17. If the total bill was $91, which system best represents the situation?
14.80x + 17y = 91
14.80x + 17y = 6
14.80y + 17x = 91
14.80x+ 17y = 6
Tags
CCSS.HSA.CED.A.3
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the value of x in the solutiont o this system of linear equations?
Use substitution.
y = -3x + 3
- 2x + 2y = 6
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Homer sells tickets for admission to your school play and collects a total of $104. Admission prices are $6 for adults and $4 for children. He sold 21 tickets total. Solve the system:
x + y = 21
6x + 4y = 104
Tags
CCSS.8.EE.C.8C
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Solve using elimination.
4x + 8y = 20
-4x + 2y = -30
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Nancy went to the grocery story. On Monday she purchased 4 apples and 6 bananas for a total of $13. On Wednesday she purchased 3 apples and 7 bananas for a total of $13.50. Which system of equations represents the situation?
13.5x - 13y = 6
x - y = 6
3x + 7y = 13.5
3x - 7y = 13.5
Tags
CCSS.HSA.CED.A.3
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