Substitution or Elimination
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of equations: y = 4x - 1 and -4x - y = 9
(-1,-5)
(-5,-1)
(1,5)
(5,-1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of equations: 3x + y = -5 and 5x + 5y = -5
(-1,2)
(1,-2)
(-2,1)
(2,-1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of equations: x - 6y = 8 and x - 3y = 5
(3,2)
(3,-1)
(1,2)
(2,-1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Systems by Substitution
5) x = ___
22
5
9
4
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which format would you use to set up your equations for this word problem:
y= __x + ___
__x + __y = __
Tags
CCSS.8.EE.C.8C
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which format would you use to set up your equations for this word problem:
y= __x + ___
__x + __y = __
Tags
CCSS.HSA.CED.A.3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve each system by elimination or substitution.
y=5x-7
-3x-2y=-12
None
(2, 3)
Infinite number
(3, 2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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