Unit 12 Quiz Review System of Equations
Authored by Christine Carrieri
Mathematics
8th Grade
CCSS covered
Used 16+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve the system of equations algebraically.
x + 2y = 8
2x - y = 1
(2, 3)
(3, 2)
(1, 3)
(3, 1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve the system of equations algebraically.
5x + 6y = 3
- 5x - 2y = -11
(-2, 3)
(3, -2)
(1, 3)
(3, 1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Look at this system of equations:
4x - y = -10
x + 3y = -8
Which of the following statements describes the most logical first step in solving this system?
Multiply the top equation by -4
Multiply the bottom equation by -4
Multiply the top equation by -1
Multiply the bottom equation by -1
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5x + y = 10
2x + 6y = 20
Which of the following shows the correct factors needed to eliminate the
y variable?
-6 (5x + y = 10)
(2x + 6y = 20)
(5x + y = 10)
-6 (2x + 6y =20)
2 (5x + y = 10)
(2x + 6y = 20)
(5x + y = 10)
5 (2x + 6y = 20)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is the point (3, 1) a solution to this system?
2x + y = 7
3x - y = 8
Hint: Do a check!
Yes b/c it's a solution to BOTH equations
No b/c it's a solution to only the FIRST equation
No b/c it's a solution to only the SECOND equation
No, b/c it's not a solution to either equation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a system of equations has ONE solution, what does it look like graphically?
Parallel Lines
Overlapping Lines
Intersecting Lines
Tags
CCSS.8.EE.C.8A
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a system of equations has NO solution, what does it look like graphically?
Parallel Lines
Overlapping Lines
Intersecting Lines
Tags
CCSS.8.EE.C.8A
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