Elimination Opposite Coefficients
9th Grade
•19 Qs
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Elimination Opposite Coefficients
Quiz
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
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19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The coefficients of the eliminated variable must be _____.
opposites
the same
distinct
does not matter
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Look for ____ when determining which variable to eliminate. Select all that apply
same coefficeints with opposite signs
easy numbers to multiply to (common factors)
different coefficients
vertical alignment of like terms
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
10y-11x=-4
-2y+3x=4
(2,2)
(4,4)
(4,8)
(3,2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
-9x+4y=6
-3x+2y=6
(2,6)
(3,4)
(5,8)
(9,6)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
-3x+12y=30
-9x+6y=30
(-6,-4)
(-6,8)
(-8,-4)
(6,4)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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