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6. Matrices
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AustraliaVIC
VCE 11 General 2023

6.01 Types of matrices

Lesson
Worksheet
Practice

Interactive practice questions

Answer the following questions.

a

What is the definition of a matrix?

A rectangular array of only whole numbers.

A

A triangular array of real numbers or symbols.

B

A rectangular array of real numbers, symbols, and expressions.

C

A rectangular array of only real numbers.

D
b

What is a square matrix?

A matrix that contains the same number of rows as columns.

A

A matrix that contains more columns than rows.

B

A matrix that contains more rows than columns.

C
Easy
< 1min

Suppose $M$M is a $3\times2$3×2 matrix.

Easy
< 1min
Is the array
    $2$2 $3$3    
    $5$5 $-5$−5    
    $7$7 $-8$−8    
a matrix?
Easy
< 1min

How many elements does a matrix with $4$4 rows and $5$5 columns contain?

Easy
< 1min
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Outcomes

U1.AoS3.1

the concept of a matrix and its use to store, display and manipulate information

U1.AoS3.2

types of matrices (row, column, square, zero, identity) and the order of a matrix

U1.AoS3.7

use matrices to store and display information that can be presented as a rectangular array

U1.AoS3.8

identify row, column, square, zero and identity matrices and determine their order

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