INTRO TO MATRICES

What is the dimension (order) of the matrix shown?

• ( 2 x 2 )

• ( 1 x 2 )

• ( 2 x 1 )

• ( 2 x 4 )

What is the name of each entry of a matrix?

• Row
• Element
• Dimension
• Rectangle

What is a Matrix?

• An equation of over 5 numbers or symbols 
• A rectangular arrangement of numbers
• A method of finding the n^th value of a series
• A complicated number system

What is the entry at r₃₁?

• 3

• 1

• 4

• 7

How many columns are in a 5 x 4 matrix?

• 5
• 4
• 20
• 9

• 8

• 6

• -5

• 5

• 
• 
• 
• 

What are the dimensions of matrix B?

• 2 x 3

• 3 x 2

• -8 x 10

• 3 x 3

What are the dimensions of matrix E?

• 2 x 3

• 4 x 2

• 2 x 4

• -2 x 10

Write the following system of equations as an augmented matrix.

• 
• 

Tags

CCSS.HSA.REI.C.8