Solving Systems of Equations with 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 is the elimination method used for in solving 3-variable systems?
To substitute variables in a system of equations
To graphically represent a system of equations
To find the determinant of a matrix
To eliminate variables in a system of equations
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following using elimination.
x-y=11
2x+y=19
(10,-1)
(-1,10)
(-1,-10)
(-10,-1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following using elimination.
-4x-2y=-12
4x+8y=-24
(6,-6)
(-6,6)
(6,6)
(-6,-6)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following using elimination.
4x + 8y = 20
−4x + 2y = −30
(-1, 7)
(-7, 1)
(7, -1)
(1, -7)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following using elimination.
x − y = 11
2x + y = 19
(-1, 10)
(30, 19)
(19, 30)
(10, -1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following using 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
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following using elimination.
-9x-4y=-20
5x+4y=4
(-4,4)
(4,4)
(4,-4)
(-4,-4)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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