Question # 1

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zero

unit

scalar

singular

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9

-6

6

-9

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

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Row matrix

Column matrix

Diagonal matrix

Zero matrix

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ad + cb = 0

ad = -bc

ad = bc

ab = cd

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[-13]

[-3]

[3]

[13]

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Square

Row

Column

Rectangular

The entries presented in vertical way are called _______

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Columns

Diagonals

Row

Order

General form of linear equation in two variables is:

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ax + by -m = 0

ax + by = m

ax + m = by

None of these

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

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P = Q

P≠ Q

P < Q

P > Q

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ab-cd

ac-bd

bc-ad

ad-bc

Inverse of identity matrix is _______ matrix:

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A

O

A^-1

Identity

The entries presented in horizontal way are called ______

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Columns

Diagonals

Rows

Order

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

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