
Determinants and Row Operations
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Thomas White
FREE Resource
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33 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary focus of the video tutorial?
Solving linear equations
Matrix multiplication
Finding determinants
Matrix addition
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For which type of matrix can a determinant be calculated?
Rectangular matrix
Square matrix
Diagonal matrix
Identity matrix
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the determinant of a 2x2 matrix with elements a, b, c, and d?
a - b + c - d
a * b + c * d
a * d - b * c
a + d - b - c
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which symbol is used to denote the determinant of a matrix?
Curly braces
Absolute value symbols
Brackets
Parentheses
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in finding the determinant of a 3x3 matrix?
Multiply all elements
Remove the first row
Add all elements
Transpose the matrix
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a 3x3 matrix, what do you do after removing the first row?
Add the remaining elements
Cross out the top row and leftmost column
Multiply the remaining elements
Transpose the matrix
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a characteristic of an upper triangular matrix?
All non-zeros above the main diagonal
All zeros above the main diagonal
All zeros below the main diagonal
All non-zeros below the main diagonal
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