Solving System 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
What would be the first step in finding the solution with elimination?
cross out the 3y and -3y
cross out the 4x and x
change all the signs of the second equation
add 1 and -11
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which variable will be eliminated?
x
y
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
Solve the following system by elimination.
(6,-6)
(2,6)
(8,9)
(-2,-6)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
Solve the system using elimination.
4x + 8y = 20
-4x + 2y = -30
(-1, 7)
(7, -1)
(2,-7)
(-7, 2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
Solve the system using the elimination method.
-6x + 5y = 1
6x + 4y = -10
(5, 9)
(3, -4)
(-1, -1)
(5, 8)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
Solve the system using the elimination method.
-2x - 9y = -25
-4x - 9y = -23
(-1, 3)
(1, 4)
(6, -3)
(1, -2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using elimination.
4x-2y=16
5x+2y=11
(3,-2)
(1,4)
no solution
infinitely many solutions
Tags
CCSS.8.EE.C.8B
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