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Mathematics 9th Class English Medium Unit 1 Online Test MCQs With Answers
Question # 1
The entries presented in vertical way are called _______
Choose an answer
Columns
Diagonals
Row
Order
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Question # 2
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Question # 3
The rectangular array of numbers enclosed by a pair of brackets is called:
Choose an answer
Determinants
Matrix
Set
Solution set
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Question # 4
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Question # 5
A matrix is called a row matrix if it has only one _________:
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Column
Row
Diagonal
None
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Question # 6
(AB)
-1
=
Choose an answer
A
-1
B
-1
AB
BA
B
-1
A
-1
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Question # 7
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[2x + y]
[x - 2y]
[2x - y]
[x + 2y]
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Question # 8
Inverse of identity matrix is _______ matrix:
Choose an answer
A
O
A
-1
Identity
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Question # 9
Aurther Cayley introduces theory of matrices in:
Choose an answer
1854
1856
1858
1860
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Question # 10
Choose an answer
a = -4, b = 7
a = 7, b = -4
a = 1, b = 3
Cannot be determine
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Question # 11
General form of linear equation in two variables is:
Choose an answer
ax + by -m = 0
ax + by = m
ax + m = by
None of these
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