
Elementary Row Operations and Matrix Transformations
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard
Nancy Jackson
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using augmented matrices in solving systems of linear equations?
To make the equations more complex
To eliminate the need for variables
To represent systems of equations in a compact form
To solve equations without any operations
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean for two systems of equations to be equivalent?
They have different solutions
They have identical solutions
They have no solutions
They have solutions that are multiples of each other
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main goal of performing elementary row operations on a matrix?
To increase the number of variables
To remove all rows from the matrix
To transform the matrix into a simpler form
To make the matrix larger
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT an elementary row operation?
Swap
Scale
Pivot
Transpose
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the 'swap' operation allow you to do in a matrix?
Remove a row from the matrix
Exchange two rows
Multiply a row by a constant
Add a row to another row
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is a swap operation between row one and row two notated?
R1 <-> R2
R1 * R2
R1 + R2
R1 - R2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the 'scale' operation involve?
Dividing a row by a constant
Swapping two rows
Adding two rows together
Multiplying a row by a non-zero constant
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