Solving Systems Using Substitution or Elimination
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of equations: -x - 5y = -24 and -4x + 5y = -21
(9,-3)
(-3,9)
(3,9)
(9,3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
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
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of equations: -8x - 3y = 3 and 8x - 3y = 3
(0,-1)
(1,0)
(0,1)
(-1,0)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
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
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using substitution or elimination. −4x − 2y = −12 4x + 8y = −24
(5,-5)
(6,-6)
No solution
Infinitely many solutions
Tags
CCSS.8.EE.C.8B
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Solve:
x + y = 4
-5x - 6y = -18
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of equations
4x+8y=20
-4x+2y=-30
(-7,1)
(2,-5)
(-2,5)
(7,-1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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