Alg Reason: Representing Matrices

• 2x3

• 3x2

• 3x4

• 4x3

What is a₂₃

• 14

• 4

• 1

• 3

What is the dimension of this matrix?

• 2 x 3

• 3 x 2

• 6 x 1

• 1 x 6

What comes first in the dimension?

• Row

• Column

How many rows are in a 7 x 3 matrix?

• 7
• 3
• 21
• 10

• 2x3

• 3x2

• 3x4

• 4x3

What are the dimensions of this matrix?

• 3x1
• 1x3
• 3x3
• 1x1

How many columns are in a 5 x 4 matrix?

• 5
• 4
• 20
• 9

What is the name of each entry of a matrix?

• Row
• Element
• Dimension
• Rectangle

In Matrix R (pictured) what element is a₂₃?

• 8
• 9.01
• 6
• 1