Substitution or Elimination
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which system would be best for you to use to solve this linear equation? 4x-5y=14 -6x+6y=-6
Elimination
Substitution
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve each system by substitution or elimination
y=-2
4x-3y=18
(3, -2)
None
(10/3, -2)
Infinite number
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve each system by elimination or substitution
18x+4y=-4
-9x+8y=-8
(-9, 8)
(1, 5)
Infinite number
(0, -1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Solve the system by elimination or substitution
x-7y=18
4x-14y=30
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
No Solution
(2, 2)
(-1, 2)
(-1, -2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6x = y
3y - 4x = 42
(3, 18)
(8, 2)
(2, 8)
(1, 6)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
y = 2x - 4
7x - 2y = 5
(-1, -6)
(-1, -8)
(-2, 6)
(1, -8),
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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