Question # 1

If B+A=A=A+B, the B is called:

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Multiplicative identity

Multiplicative inverse

Additive identity

Additive inverse

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P = Q

P≠ Q

P < Q

P > Q

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a = -4, b = 7

a = 7, b = -4

a = 1, b = 3

Cannot be determine

The idea of matrices was given by

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Aurthur Cayley

Briggs

Al-Khawarzmi

Thomas Harriot

The order of matric [2 1] is:

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2-by-1

1-by-2

1-by-1

2-by-2

Let A and B be two matrices. Then A is said to be equal to B, and denoted by A = B if and only if:

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Order of A = Order of B

Corresponding entries are equal

Either a or b

Bot a and b

The matrices are denoted by _________ letters of English alphabet:

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Small

Capital

Both a and b

None

The rectangular array of numbers enclosed by a pair of brackets is called:

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Determinants

Matrix

Set

Solution set

(AB)^t=

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A^tB^t

B^tA^t

AB

BA

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1-by-3

3-by-1

3-by-3

2-by-2

A matrix is called column matrix if it has only one:

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Column

Row

Diagonal

None

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ad + cb = 0

ad = -bc

ad = bc

ab = cd

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Inverse of identity matrix is _______ matrix:

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A

O

A^-1

Identity

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[-13]

[-3]

[3]

[13]

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6

3

-3

-6

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9th Class Mathematics Chapter 1 Matrices and Determinants English Medium KPK Boards Online Mcqs MCQs With Answers

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