Question # 1

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

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Row matrix

Column matrix

Diagonal matrix

Zero matrix

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[2x + y]

[x - 2y]

[2x - y]

[x + 2y]

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9

-6

6

-9

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Skew-symmetric

Symmetric

Diagonal

Scalar

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

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[8 2]

Product is not possible

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A matrix is called ______ matrix, if its number of rows is equal to its number of columns:

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Rectangular

Row

Column

Square

The entries presented in vertical way are called _______

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Columns

Diagonals

Row

Order

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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M

O

-M

I

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zero

unit

scalar

singular

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3-by 2

2-by-3

1-by-3

3-by-1

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

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3-by-3

3-by-1

1-by-3

1-by-1

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

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Determinants

Matrix

Set

Element

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

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