Solving System by Elimination
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the next step in solving this system by elimination?
2x + 3y = 9
5x + 3y = 21
Nothing - it is ready to go.
Multiply one equation by -1
Multiply the top equation by 3.
Multiply the bottom equation by 7.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system:
x + 6y = 17
x - 3y = 8
(5, 2)
(11, 1)
(1, 11)
no solution
Tags
CCSS.8.EE.C.8B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
________________ is a set of two or more equations that have the same variables.
solution of a system
elimination method
system of equations
table
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(3, 3)
(1, 5)
(1, 3)
(7, -1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(-4, -2)
(2, 5)
(10, 2)
(-8, -1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(0, -4)
(2, 4)
No solution
(2, 0)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which variable will eliminate in the system?
x
y
both
neither
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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