Solving Systems by Elimination
9th Grade
•19 Qs
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Solving Systems by Elimination
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
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19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The solution is:
(4, 3)
(3, 4)
(-4, 3)
No solution
Tags
CCSS.8.EE.C.8B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
4x+9y=28
-4x-y=-28
(-7,0)
(6,0)
(-6,0)
(7,0)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What would be the first step in finding the solution with elimination?
4x + 3y = 1
x - 3y = -11
cross out the 3y and -3y
cross out the 4x and x
change all the signs of the second equation
add 1 and -11
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
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
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system.
(2, -2, 3)
(2, 1, 4)
(-2, 2, -3)
No Solution
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system.
(5, -6, 3)
(2, 3, -1)
(-4, 2, 5)
No Solution
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system.
(3, -2, 4)
(2, -3, 1)
(-3, 2, -1)
Infinitely many solutions
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