AQR IE QUIZ: MATRIX DIMENSIONS & BASIC OPERATIONS

A  Matrix is..........

• An equation of over 5 numbers or symbols 
• A set of numbers in rows and columns

Name the dimensions.

• 2 x 4
• 4 x 2
• -2 x 6
• 1

Name the dimensions:

• 6x2
• 2x6

Name the dimensions

• 3x1
• 1x3

What comes first in the order?

• Row
• Column
• The Egg
• The Chicken

What is the name of each entry of a matrix?

• Row
• Element

How many rows are in a 7 x 3 matrix?

• 7
• 3

Can the operation be performed?

• Yes
• No
• potato

How many columns are in a 
 5 x 4 matrix?

• 5
• 4
• 20
• 9

Identify element a₂₂

• -3
• -4
• 1