Matrix Classwork 11/14

What are the dimensions of this matrix?

• 2 x 3
• 3 x 2
• 6 x 1
• 1 x 6

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 r₂₃?

• 8
• 9.01
• 6
• 1

What is the entry at f₄₂?

• 23

• -81

• -44

• 99

• -56

Assume the matrix pictured is Matrix R. What value is located at r₃₂ ?

• 5

• 6

• 2

• 4

What comes first in the order?

• Row
• Column

Tags

CCSS.4.NBT.B.5

What is a₂₃

• 14

• 4

• 1

• 3

What is the size of the matrix below? Always do Rows x Columns.

• 3 x 4

• 4 x 3