
Matrix Operations and Properties

Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Hard
+1
Standards-aligned

Sophia Harris
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of a dot product between two vectors?
A matrix
A single number
A vector
A scalar matrix
Tags
CCSS.HSN.VM.C.8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For matrix multiplication to be defined, what must be true about the dimensions of the matrices?
The number of rows in the first matrix must equal the number of columns in the second matrix.
The number of columns in the first matrix must equal the number of rows in the second matrix.
The matrices must have the same number of elements.
Both matrices must be square matrices.
Tags
CCSS.HSN.VM.C.10
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the identity matrix?
A matrix with all ones
A matrix with alternating ones and zeros
A matrix with ones on the diagonal and zeros elsewhere
A matrix with all zeros
Tags
CCSS.HSN.VM.C.9
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a property of matrix multiplication?
Associative property
Distributive property
Identity property
Commutative property
Tags
CCSS.HSN.VM.C.10
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If A and B are matrices such that A * B = 0, what can be concluded?
A must be the zero matrix
B must be the zero matrix
Both A and B must be zero matrices
Either A or B or both could be non-zero matrices
Tags
CCSS.HSA.REI.C.9
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a matrix called if it has an inverse?
Singular
Invertible
Zero matrix
Diagonal matrix
Tags
CCSS.HSA.REI.C.9
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean if a matrix is singular?
It is a diagonal matrix
It does not have an inverse
It is a zero matrix
It has an inverse
Tags
CCSS.HSA.REI.C.9
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