Question # 1

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

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9

-6

6

-9

The idea of matrices was given by:

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Leibniz

Cauchy

Arthur Cayley

Newton

The entries presented in horizontal way are called ______

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Columns

Diagonals

Rows

Order

Aurther Cayley introduces theory of matrices in:

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1854

1856

1858

1860

The real numbers used in the formation of a matrix are called _______ of the matrix:

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Determinants

Matrix

Set

Element

AA^-1 = _________:

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A

A^-1

I

0

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Square

Row

Column

Rectangular

The matrices are denoted by _________ letters of English alphabet:

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Small

Capital

Both a and b

None

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P = Q

P≠ Q

P < Q

P > Q

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6

3

-3

-6

The product in matrices AB, the number of columns of A must be equal to number _______ of B.

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Columns

Entries

Rows

None of these

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[-13]

[-3]

[3]

[13]

The matrix M = [2 -1 7] is called:

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Row matrix

Column matrix

Diagonal matrix

Zero matrix

Order of matrix P = [3 2 5] is:

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3-by-3

3-by-1

1-by-3

1-by-1

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Mathematics 9th Class English Medium Unit 1 Online Test MCQs With Answers

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