Systems of Equations Basic Elimination
9th Grade
•10 Qs
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Systems of Equations Basic Elimination
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Standards-aligned
Anthony Clark
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
what would the top equation become when you multiply everything by -1?
2x - 6y = 20
-2x - 6y = -20
-2x + 6y = 20
-2x + 6y = -20
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
what do you need to multiply the top equation by to make a zero pair:
5x - 2y = 11
-10x + 3y = -4
5
-1
2
-2
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
what does the top equation need to be multiplied by to create a zero pair?
2x - 6y = 20
2x + 5y = -11
-1
1
-2
2
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using elimination.
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
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
3x + 7y = 23
-3x - 7y = -17
No solution
Infinite number of solutions
(-3,3)
(3,3)
Tags
CCSS.8.EE.C.8B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve for x and solve for y
3x - 3y = 33
6x - 3y = 57
(8,-3)
(-3,8)
(10,1)
(10,-1)
Tags
CCSS.HSA.REI.C.9
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination
4x-6y= -6
-2x-12y= -12
(0,1)
(1,0)
(1,1)
(2,1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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