Solve Linear Systems by Elimination
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve this system of equation
5x - 2y = 9
2x + 7y = -12
(1, -1)
(-1, 1)
(-1, 2)
(1, -2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
4x+4y=4
3x+4y=10
(7,-6)
(-6,7)
(6,7)
(7,6)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The solution to a system of linear equations is ALWAYS...
a fraction
an ordered pair
a decimal
a negative number
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
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
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following system by elimination:
-3x - 7y = 14
-4x + 5y = -10
(-2, 7)
(7, -2)
(-7, -2)
(0, -2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following system by elimination:
-4x + 4y = -20
5x + 12y = -9
(3, -2)
(7, -3)
(-3, 7)
none of the other choices
(-3, -2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following system by elimination:
-2x + 7y = 22
5x - 7y = 8
(-3, 16/7)
(-10, -1)
(10, 6)
none of the other choices
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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