Matrices Inverse 3 by 3
Authored by Anthony Clark
Mathematics
11th Grade
CCSS covered
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11 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the inverse.
A
B
C
D
Tags
CCSS.HSA.REI.C.9
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the correct order of solving systems of equations?
Set up the matrix. 2. Find the determinant. 3. Multiply the determinant by the solution matrix.
Set up the matrix. 2. Multiply [A] *[B] - (the solution matrix) 3. Find the inverse of that answer.
Set up the matrix. 2. Find the inverse of [A]. 3. Multiply the inverse by the solution matrix.
Use a calculator.
Tags
CCSS.HSA.REI.C.9
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following must be true for a matrix to be invertible? Choose all that apply.
The matrix must be square.
The determinant must be zero.
The determinant must not be zero.
The matrix cannot have any negative entries.
Tags
CCSS.HSA.REI.C.9
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
By using Elementary transformation we can find
Inverse
Symmetric matrix
Scalar Matrix
None
Tags
CCSS.HSA.REI.C.9
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A
B
C
D
Tags
CCSS.HSN.VM.C.8
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O
NONE OF THESE
Tags
CCSS.HSA.REI.C.9
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the inverse of the matrix
A
B
C
D
Tags
CCSS.HSA.REI.C.9
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