
Matrix Inversion Using the Adjoint Method

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

Mia Campbell
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the determinant of Matrix B given in the problem?
49
81
64
100
Tags
CCSS.HSA.REI.C.9
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is used to find the inverse of Matrix B?
QR Decomposition
Gaussian Elimination
Adjoint Method
LU Decomposition
Tags
CCSS.HSA.REI.C.9
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in finding the adjoint of Matrix B?
Multiply by the determinant
Transpose the co-actor matrix
Use row reduction
Find the inverse directly
Tags
CCSS.HSA.REI.C.9
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the adjoint of a matrix related to its co-actor matrix?
It is the inverse of the co-actor matrix
It is the square of the co-actor matrix
It is the transpose of the co-actor matrix
It is the determinant of the co-actor matrix
Tags
CCSS.HSA.REI.C.9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for finding the inverse of a matrix using the adjoint method?
Inverse = Adjoint / Determinant
Inverse = 1 / Determinant * Adjoint
Inverse = Determinant * Adjoint
Inverse = Adjoint * Determinant
Tags
CCSS.HSA.APR.A.1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of 27/81 in the inverse matrix?
1/2
3/4
2/3
1/3
Tags
CCSS.HSA.APR.A.1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of 54/81 in the inverse matrix?
3/4
2/3
1/3
1/2
Tags
CCSS.HSA.REI.C.9
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