Elimination Method #1 (Add or Subtract only)
Authored by Jim Mcgrath
Mathematics
9th Grade
CCSS covered
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
what is the variable that willl be "eliminated"?
5x - 4y = 11
5x + 4y = -14
x variable
y variables
both variables
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Solve using Elimination Method:
x - y = 11
2x + y = 19
(10,-1)
(-1,10)
(3,-4)
(6,7)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Solve using Elimination Method:
4x+ 9y = 28
-4x -y = -28
(-7,0)
(6,0)
(-6,0)
(7,0)
(6,7)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the system:
x + 6y = 17
-x + 3y = -8
(5, 2)
(11, 1)
(1, 11)
no solution
Tags
CCSS.8.EE.C.8B
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Solve the system by elimination.
−4x − 4y = 0
4x + 4y = 0
(−6, −4)
Infinite number of solutions
No Solution
(6, 4)
(0,0)
Tags
CCSS.8.EE.C.8B
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve using Elimination Method:
9x - 4y = 7
x - 4y = -17
(-1,5)
(-7,5)
(7,5)
(3,5)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
solve the system
No solution
infinite solutions
(0,0)
(5,1)
(5,0)
Tags
CCSS.8.EE.C.8B
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