Introduction to Elimination
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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19 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How do we begin solving this system of equations using the elimination method. Use your notes if necessary.
Subtract the two equations
Multiply one equation by -1 and then subtract the equations
Multiply the first equation by the second x (or y) coefficient, multiply the second equation by the first x (or y) coefficient, then subtract the equations
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How do we begin solving this system of equations using the elimination method. Use your notes if necessary.
Subtract the two equations
Multiply one equation by -1 and then subtract the equations
Multiply the first equation by the second x (or y) coefficient, multiply the second equation by the first x (or y) coefficient, then subtract the equations
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How do we begin solving this system of equations using the elimination method. Use your notes if necessary.
Subtract the two equations
Multiply one equation by -1 and then subtract the equations
Multiply the first equation by the second x (or y) coefficient, multiply the second equation by the first x (or y) coefficient, then subtract the equations
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How do we begin solving this system of equations using the elimination method. Use your notes if necessary.
Subtract the two equations
Multiply one equation by -1 and then subtract the equations
Multiply the first equation by the second x (or y) coefficient, multiply the second equation by the first x (or y) coefficient, then subtract the equations
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
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
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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 • 5 pts
Solve the system:
x + 6y = 17
-x + 3y = -8
(5, 2)
(11, 1)
(1, 11)
no solution
Tags
CCSS.8.EE.C.8B
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