Matrices
11th Grade
•10 Qs
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Matrices
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Standards-aligned
Anthony Clark
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is the inverse of the matrix A=
⌈3 0⌉
⌊0 2⌋
*Inverse=
¹∕detA × ⌈d −b⌉ ⌊−c a⌋
[1/2 0]
[0 1/3]
[-3 0]
[0 -2]
⌈1/3 0⌉
⌊0 1/2⌋
[2 0]
[0 3]
Tags
CCSS.HSA.REI.C.9
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Are A and B inverses?
A = ⌈3 -10⌉
⌊1 4⌋
B = ⌈2/11 5/11⌉
⌊-1/22 3/22⌋
*AB=I
Yes
No
Tags
CCSS.HSA.REI.C.9
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the entry at f42?
23
-81
-44
99
-56
Tags
CCSS.HSA.REI.C.8
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the determinant of the matrix
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
find: B*A
47 30
9 5
17 15
42 35
10 25
7 1
not possible because rows do not match columns
Tags
CCSS.HSN.VM.C.8
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perform the indicated operation
not possible
Tags
CCSS.HSN.VM.C.8
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perform the indicated operation
not possible
Tags
CCSS.HSN.VM.C.8
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