Elimination Method Using Addition and Subtraction
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
Used 4+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which variable is best to eliminate"
3x - 6y = 15
-3x + 8y = 19
x
y
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When using elimination to solve this system, which operation should be used to eliminate the x?
4x + 3y = 24
4x - 6y = 18
Addition
Subtraction
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the value of y when solving this system?
-2x + 8y = 13
-2x + 4y = 17
-2
2
-1
1
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution to the following system?
-2x + y = 4
3y = 6x + 12
(2, 3)
(12, 20)
No Solution
Infinitely Many Solutions
Tags
CCSS.8.EE.C.8B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
29x+37y=103 and 37x+29y = 95 then
x=1, y=2
x=2, y=1
x=3, y=2
x=2, y=3
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
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
7.
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
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