Systems of Equations with Eliminations and Substitution
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4x - 2y = 7
x + 2y = 3
What are x and y?
x = 2, y = 2
x = 1/2, y = 2
x = 2, y = 1/2
x = 2, y = -2
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve for x and y
2x − 3y = −1
y = x − 1
(-2,-3)
(0,-1)
(3,4)
(4,3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve for x and y
5x + 3y = 7
y = 4
(4,1)
(4,-1)
(1,4)
(-1,4)
Tags
CCSS.HSA.REI.C.9
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve:
y = 2x -11
-3y = -6x -15
(-1.5,-4)
(1.5,4)
No solution (parallel lines)
Infinitely many solutions
Tags
CCSS.8.EE.C.8B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve:
8x + 4y = 12
y = -2x + 3
(0,3)
(3,0)
No solution(parallel lines)
Infinitely many solutions
Tags
CCSS.8.EE.C.8B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If 3x - 2y = 14 and 2x + 2y = 6,
what are x and y?
x = 1, y = 2
x = 2, y = 1
x = -4, y = 1
x = 4, y = -1
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system using elimination.
3x + 2y = 16
7x + y = 19
(-2,5)
(-2,-5)
(2,-5)
(2,5)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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