Matrix Lesson

Which one comes first in the order of a matrix?

• Row

• Column

What is the value of element M_3,4?

(Think about what is in the 3rd row and 4th column)

What is the order of this matrix?

• 1x4

• 4x1

• 2x2

• 3x1

What is the order of this matrix?

• 1x2

• 2x1

• 5x5

• 1x1

What is the order of this matrix?

• 2x2

• 2x6

• 5x4

• 2x4

What is the order of this matrix?

• 2x5

• 5x2

• 2x6

• 6x4

What are the dimensions of this matrix?

• 2 x 3
• 3 x 2
• 6 x 1
• 1 x 6

How is the entry of a matrix identified?

• Row x Column

• Column x Row

• Row only

• Column only

Dimensions?

• a
• b
• c
• d

How many rows are in a 7 x 3 matrix?

• 7
• 3
• 21
• 10