Matrices and Systems of Linear Equations

Quiz
•
Mathematics
•
University
•
Medium
Standards-aligned
Anthony Clark
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the determinant
13
-3
-5
13
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A matrix that has an equivalent number of rows and columns is called a square matrix
True
False
True but somehow false
False but somehow true
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The __________ of a matrix is the transpose of a cofactor matrix
Singular
Adjoint
Transpose
Inverse
Tags
CCSS.HSA.REI.C.9
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The inverse of a transposed matrix is the same as the transpose of an inversed matrix
True
False
True but I don't really know
False, but why?
Tags
CCSS.HSA.REI.C.9
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is A-1?
Tags
CCSS.HSA.REI.C.9
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When solving a system AX=B using inverse matrices, you use the equation:
X=A-1B
B=X-1A
A=X-1B
X=B-1A
Tags
CCSS.HSA.REI.C.9
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the value of the determinant of the matrix?
-26
-14
26
14
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