
Intro to Matrices Practice
Authored by Anthony Clark
Mathematics
11th Grade
CCSS covered

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
How many rows are in a 7 x 3 matrix?
7
3
21
10
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
How would a scalar multiplication be carried out for a matrix?
Add the Scalar to every element in the matrix
Dot product the rows of one matrix with the columns of the other matrix
Multiply every element with the scalar to create a new matrix
subtract the elements in the first matrix from the elements of the second matrix
Tags
CCSS.HSN.VM.C.7
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What must be true in order to ADD two matrices?
They must be square.
The dimensions must be equal.
The determinant can't equal 0.
The column of the 1st must equal the row of the 2nd.
Tags
CCSS.HSN.VM.C.8
4.
MULTIPLE SELECT QUESTION
1 min • 5 pts
A Symmetric Matrix
square matrix
at least one number in leading diogonal
it is equal to its own transpose
all number in leading diagonal is 1
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Determine the type of the matrix
Upper Triangular Matrix
Identity Matrix
Diagonal Matrix
Lower Triangular Matrix
Row Matrix
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
If matrix A is a 2 x 5, and is transposed, what are the new dimensions?
2 x 2
5 x 2
5 x 5
2 x 5
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
a
b
c
d
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