Matrix Operations and Inverses
Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Medium
Standards-aligned
Aiden Montgomery
Used 1+ times
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for finding the inverse of a 2x2 matrix?
1 over ad minus bc times the matrix with elements d, -b, -c, a
1 over ab minus cd times the matrix with elements a, -b, -c, d
1 over ac minus bd times the matrix with elements b, -a, -d, c
1 over bc minus ad times the matrix with elements c, -d, -a, b
Tags
CCSS.HSA.REI.C.9
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If matrix A has elements 7, 2, 17, and 5, what is the value of 'a' in the formula for its inverse?
2
5
7
17
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the determinant of matrix A with elements 7, 2, 17, and 5?
1
2
34
35
Tags
CCSS.HSA.REI.C.9
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the inverse of matrix A with elements 7, 2, 17, and 5?
5, -2, -17, 7
5, -2, -17, 17
7, -2, -17, 5
5, 2, 17, 7
Tags
CCSS.HSN.VM.C.10
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result when matrix A is multiplied by its inverse?
Matrix A
Inverse of matrix A
Identity matrix
Zero matrix
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the elements of matrix B?
6, 5, 4, 8
5, 4, 8, 6
7, 2, 17, 5
8, 6, 5, 4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the determinant of matrix B with elements 8, 6, 5, and 4?
32
30
4
2
Tags
CCSS.HSA.REI.C.9
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