
Grade 12 Matrices
Quiz
•
Mathematics
•
12th Grade
•
Practice Problem
•
Medium
+1
Standards-aligned
THARUN RG
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16 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
If A and B are square matrices of the same order, then (A + B) (A – B) is equal to
(A) A2 – B2
(B) A2 – BA – AB – B2
(C) A2 – B2 + BA – AB
(D) A2 – BA + B2 + AB
Tags
CCSS.HSA.REI.C.9
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
(A) only AB is defined
(B) only BA is defined
(C) AB and BA both are defined
(D) AB and BA both are not defined
Tags
CCSS.HSN.VM.C.8
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
(A) scalar matrix
(B) diagonal matrix
(C) unit matrix
(D) square matrix
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
If A and B are symmetric matrices of the same order, then (AB′ –BA′) is a
(A) Skew symmetric matrix
(B) Null matrix
(C) Symmetric matrix
(D) None of these
5.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
If A and B are two skew symmetric matrices of same order, then AB is symmetric matrix if
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
If two matrices A and B are of the same order, then 2A + B = B + 2A.
True
False
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
For the non singular matrix A, (A′) –1 = (A–1)′.
Tags
CCSS.HSA.REI.C.9
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