Solve Systems by Elimination
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
Used 2+ times
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20 questions
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1.
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
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system by elimination.
5x + 8y = -12
3x + 5y = -7
(1, -10)
No solution
(-4, 1)
(1, 10)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(-2,2)
(2,-2)
(-2,-2)
(-2, 1/2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the solution to the following system of equations using the elimination method: 2x + 3y - z = 5 3x - 2y + 4z = 7 4x + y + 2z = 3
x = 2, y = -1, z = 1
x = -2, y = 1, z = -1
x = 1, y = 2, z = -1
x = 3, y = -2, z = 2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Say you wanted to eliminate x from the system shown. How would you do it?
Add the equations without doing any multiplication.
Multiply the first equation by 2 and the second equation by 3, then add the equations.
Multiply the first equation by negative 2 and the second equation by 3, then add the equations.
Multiply the first equation by 3 and the second equation by negative 2, then add the equations.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
OPEN ENDED QUESTION
1 min • 1 pt
Solve the system using elimination.
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