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Solving Systems of Linear Equations

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Solving Systems of Linear Equations
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14 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

You and your friend are buying throw blankets with your names embroidered on them. The cost of the throw blanket is x dollars and the cost of each embroidered letter is y dollars. Your name has 6 letters and the total cost is $29. Your friend's name has 3 letters and the total cost is $24.50. Which system can you use to solve this problem?

Tags

CCSS.8.EE.C.8C

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve the system of equations.
x + 2y = -3
x - y = -12

(-9, 3)

(-7 ,5)

(3, 15)

(9, 6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve the system of equations.
y = 4x+1
3x + 2y = 13

(1, 5)

(5, 1)

(0.25, 2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Does the system have one, none or infinite solutions?
8x + 4y = 12
y = -2x + 3

(0,3)

(3,0)

No solution(parallel lines)

Infinitely many solutions

Tags

CCSS.8.EE.C.8B

5.

MULTIPLE CHOICE QUESTION

1 min • 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. Write a system to represent this situation assuming "a" represents # of adult tickets and "c" represents # of children's tickets.

a + c = 21
6a + 4c = 104

a + c = 104
6a + 4c = 21

a + c = 21
6c + 4a = 104

a + c = 104
6c + 4a = 21

Tags

CCSS.HSA.CED.A.3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the solution to this system of equations?

(4, -1)

(-1, 4)

(-4, 1)

(-4, -1)

Tags

CCSS.8.EE.C.8B

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which image shows a system of linear equations with infinitely many solutions?

Media Image
Media Image
Media Image
Media Image

Tags

CCSS.8.EE.C.8A

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