Solving a System of Linear Equations by Elimination
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
4x+9y=28
-4x-y=-28
(-7,0)
(6,0)
(-6,0)
(7,0)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
3x+7y=23
-3x-7y=-17
No solution
(0, 3)
(-3,3)
(3,3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
-x+2y=17
2x+2y=-10
ARN
(-9,4)
(-9,-4)
(9,-4)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination
4x-6y= -6
-2x-12y= -12
(0,1)
(1,0)
(1,1)
(0, 2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
OPEN ENDED QUESTION
1 min • 1 pt
Solve the system using elimination.
Evaluate responses using AI:
OFF
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which of the following could be a correct first step in solving the system shown? Select all that apply.
Multiply the first equation by 2, then add the result to the third equation.
Multiply the second equation by 2, then add the result to the third equation.
Add the first and second equation.
Add the first and third equation.
Add the second and third equation.
7.
OPEN ENDED QUESTION
1 min • 1 pt
Solve the system using elimination.
Evaluate responses using AI:
OFF
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