
Matrix Inverses and Operations

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

Ethan Morris
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the alternative to dividing matrices?
Adding the matrices
Finding the determinant of the matrices
Subtracting the matrices
Multiplying one matrix by the inverse of the other
Tags
CCSS.5.NF.B.4A
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you represent the division of 12 by 3 using multiplication?
12 multiplied by 3
12 added to 3
12 multiplied by 1/3
12 divided by 1/3
Tags
CCSS.HSA.REI.C.9
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in finding the inverse of matrix B?
Subtract the elements of matrix B
Multiply all elements by 2
Swap the positions of certain elements
Add all elements of matrix B
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the determinant of matrix B in the given example?
-1/2
2
-2
1/2
Tags
CCSS.HSA.REI.C.9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the scalar used to find the inverse of matrix B?
-1/2
1/2
2
-2
Tags
CCSS.HSA.REI.C.9
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the elements of the inverse of matrix B after multiplication by the scalar?
-1, 5, 1/2, -3
1, -5, -1/2, 3
1, 5, -1/2, 3
1, -5, 1/2, -3
Tags
CCSS.HSN.VM.C.10
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying matrix A with the inverse of matrix B?
-2, 9, 2.5, -11
2, 9, -2.5, 11
2, -9, 2.5, -11
2, -9, -2.5, 11
Tags
CCSS.HSA.REI.C.9
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