Solve Systems by Matrices
Authored by Anthony Clark
Mathematics
12th Grade
CCSS covered
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What is an appropriate first row command to solve this by Gaussian Elimination?
2R2 + R2 -> R2
-2R1 + R2 -> R2
R3 +R2 --> R3
2R1 + R2 --> R2
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What is the solution represented by this matrix?
(2,3,5,0)
(2,3,4,5)
Infinite Solutions
No Solution
Tags
CCSS.8.EE.C.8B
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Solve!
(2,7,5)
(-8,7,5)
(-8,2,5)
(-3,2,5)
Tags
CCSS.HSA.REI.C.9
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What is the solution to the 4x5 Matrix?
( 3, 4, 9, 6 )
( 3, 4, 9, -6 )
( -6, 9, 4, 3 )
( 6, 9, 4, 3 )
Tags
CCSS.HSN.VM.C.11
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system using matrices
x + 2y = 2
5x - 6y = - 54
(-6, 4)
(-8, 4)
(8, 4)
(6, 4)
Tags
CCSS.HSA.REI.C.9
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the matrix equation using inverse equations.
A
B
C
D
Tags
CCSS.HSA.REI.C.9
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system. Write the matrix equation on your own paper.
-5x + 5y = -10
-7x + 4y = 13
(-7, -5)
(-7, -9)
(7, -9)
(-7, 5)
Tags
CCSS.HSA.REI.C.9
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