Systems of Equations Using Elimination
9th Grade
•20 Qs
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Systems of Equations Using Elimination
Quiz
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Add the x terms in the two equations and the y terms in the two equations so you get 3x + 8y = 11
Multiply all terms in the top equation by 2 so that you can eliminate the x terms
Multiply the x in the first equation by -2 so you get -2x + y = 2
Multiply all terms in the top equation by -2 so that you can eliminate the x terms.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Describe the error in solving the system of equations using elimination:
They eliminated the x terms when they should have eliminated the y terms.
The subtracted 5x and x to get 4x, but they should have added the x terms to get 6x = 24.
They added 16 and 8 to get 24, but they should have subtracted them to get 8 on the right side of the equation.
They eliminated the y terms, but they couldn't because one is a negative and one is a positive.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(-2,2)
(2,-2)
(-2,-2)
(-2, 1/2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(16,19)
(19,-16)
(-19,-16)
(19,16)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system by using elimination.
(1, 4)
(4, 1)
(2, 4)
(4, 2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(-7, -1)
(1, 7)
(-1, -7)
(7, 1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(-3, 2)
(3, 2)
(-2, 3)
(2, -3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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