Solve Equations by Elimination
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Standards-aligned
Anthony Clark
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following system by elimination:
-3x - 7y = 14
-4x + 5y = -10
(-2, 7)
(7, -2)
(-7, -2)
(0, -2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following system by elimination:
-2x + 7y = 22
5x - 7y = 8
(-3, 16/7)
(-10, -1)
(10, 6)
none of the other choices
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Solve the following system by elimination:
4x + 2y = 18
-4x - y = -21
The x-value of the solution is ---.
(Just type in the number)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following system by elimination:
-2x + 4y = -22
-2x - 3y = -1
(9, 3)
(9, -3)
(5, -3)
(5, 3)
none of the other choices
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
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
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using Elimination Method:
x - y = 11
2x + y = 19
(10,-1)
(-1,10)
(3,-4)
(6,7)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
7x - 9y = 29
7x + 2y = - 15
(-4,-1)
(-1.-4)
(-1,4)
(-1,6)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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