The inverse matrix

How many rows are in a 7 x 3 matrix?

• 7
• 3
• 21
• 10

How many columns are in a 5 x 4 matrix?

• 5
• 4
• 20
• 9

Tags

CCSS.HSN.VM.C.6

In Matrix R (pictured) what is the value of element R_3,2

• 8
• 9.01
• 6
• 1

What are the dimensions of this matrix?

• 2 x 3
• 3 x 2
• 6 x 1
• 1 x 6

Tags

CCSS.HSN.VM.C.6

CCSS.HSN.VM.C.8

What is the name of each entry of a matrix?

• Row

• Element

• Dimension

• Numbers

Name the order of this matrix.

• 3x1
• 1x3
• 3
• 1

Name the order of this matrix.

• 6x2
• 2x6
• 12
• 36

How many columns are in a 5 x 4 matrix?

• 5
• 4
• 20
• 9

Tags

CCSS.HSN.VM.C.6

In Matrix R (pictured) what element is r₂₃?

• 8

• 9.01

• 6

• 1

How many rows are in a 7 x 3 matrix?

• 7
• 3
• 21
• 10

Tags

CCSS.HSN.VM.C.6