Solving Systems by Elimination Method
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
Used 9+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
7x-9y=29
7x+2y=-15
(-4,-1)
(-1.-4)
(-1,4)
(-1,6)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination
4x-6y= -6
-2x-12y= -12
(0,1)
(1,0)
(1,1)
(2,1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
3x+7y=23
-3x-7y=-17
No solution
ARN
(-3,3)
(3,3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
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
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination
-12x-10y= 0
6x+5y= -1
infinite solutions
(0,0)
no solution
(2,1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination
-6x+y= -2
-3x-6y= 12
(2,0)
no solution
(0,-2)
infinite solutions
Tags
CCSS.8.EE.C.8B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What would be the first step in finding the solution with elimination?
4x + 3y = 1
x - 3y = -11
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
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