stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Linear Algebra (Skriletz) Flashcards | StudBud
Explore
/
Linear Algebra (Skriletz)
Linear Algebra (Skriletz)
14 terms
·
StudBud Administration
Linear Algebra basics needed in order to succeed in Math 333 with Skriletz
Flashcards
14 cards
F
Practice quiz
P
Host live
L
Questions
14
Answers
1
A and B are matrices and inverses of each other. What is true?
both A and B are singular
AB = BA
multiplying A and B gives the identity matrix
A and B are the same size
2
What operations can we perform with these matrices?
Just multiplication
Neither addition nor multiplication
Just addition
Addition AND multiplication
3
What operations can we perform with these matrices?
Neither addition nor multiplication
Just addition
Addition AND multiplication
Just multiplication
4
We can find the determinant for every matrix
True
False
5
Which one of these is NOT an allowed elementary row operation?
Add a (non-zero) scalar to a row
Multiply a row by a (non-zero) scalar
Switch 2 rows
Add 2 rows (or multiples) together
6
The determinant of a matrix A is a(n)...
matrix
scalar
eigenvalue
vector
7
A is singular
True
False
8
How many solutions does a consistent system have?
infinite
2
0
1
9
What operations can we perform with these matrices?
Addition AND multiplication
Neither addition nor multiplication
Just addition
Just multiplication
10
What operations can we perform with these matrices?
Just multiplication
Addition AND multiplication
Neither addition nor multiplication
Just addition
11
When a matrix & one of its eigenvectors are multipled together, what type of linear transformation takes place?
The eigenvector is unchanged
The eigenvector is rotated and scaled
The eigenvector is only rotated
The eigenvector is only scaled
12
How many solutions does an inconsistent system have?
2
1
infinite
0
13
When solving for eigenvalues, the matrix \left(A-λI\right) must be...
singular
non-singular
14
What operations can we perform with these matrices?
Addition AND multiplication
Just addition
Neither addition nor multiplication
Just multiplication
