
Matrix Operations and Systems of Equations

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

Emma Peterson
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in setting up a matrix equation for a system of equations?
Multiply by the constant matrix
Solve for the variable matrix
Find the inverse of the matrix
Set up the coefficient matrix
Tags
CCSS.HSN.VM.C.10
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does multiplying a matrix by its inverse result in?
Identity matrix
Zero matrix
Constant matrix
Variable matrix
Tags
CCSS.HSA.REI.C.9
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the 2x2 system example, what is the result of multiplying the identity matrix by the variable matrix?
The constant matrix
The variable matrix
The coefficient matrix
The inverse matrix
Tags
CCSS.HSA.REI.C.9
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of converting the inverse matrix to fraction notation?
To simplify calculations
To change the matrix size
To make it easier to read
To ensure accuracy
Tags
CCSS.HSA.REI.C.8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the size of the coefficient matrix in a 3x3 system of equations?
3x3
2x2
2x1
3x1
Tags
CCSS.HSA.REI.C.8
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a 3x3 system, what does the variable matrix represent?
The variables themselves
The coefficients of the variables
The inverse of the coefficient matrix
The constants of the equations
Tags
CCSS.HSA.REI.C.9
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final step in solving a matrix equation for a 3x3 system?
Setting up the constant matrix
Multiplying by the inverse matrix
Solving for the identity matrix
Finding the determinant
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