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Matrix Concepts and Operations

Authored by Ramdhany Khulfanur

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11th Grade

Matrix Concepts and Operations
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a matrix?

A matrix is a rectangular array of numbers or symbols arranged in rows and columns.

A matrix is a single number.

A matrix is a type of graph.

A matrix is a collection of random letters.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a valid matrix?

[[1, 2, 3], [4, 5]]

[1, 2, 3, 4]

[[1, 2], [3, 'four']]

[[1, 2], [3, 4]]

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the order of a matrix with 3 rows and 4 columns?

2 x 4

3 x 5

3 x 4

4 x 3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you denote a matrix?

A phrase (e.g., 'this is a matrix') describing its function.

A capital letter (e.g., A) representing a rectangular array of elements.

A symbol (e.g., #) indicating a vector.

A lowercase letter (e.g., a) representing a single number.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the sum of two matrices?

The sum of two matrices is obtained by multiplying their corresponding elements.

The sum of two matrices is the difference of their elements.

The sum of two matrices is obtained by adding their corresponding elements.

The sum of two matrices is the product of their elements.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If A = [[1, 2], [3, 4]] and B = [[5, 6], [7, 8]], what is A + B?

[[5, 6], [7, 8]]

[[6, 8], [10, 12]]

[[8, 10], [12, 14]]

[[1, 2, 3, 4]]

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of subtracting matrix B from matrix A?

The sum of matrices A and B.

The product of matrices A and B.

The transpose of matrix A.

Resulting matrix after subtraction.

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