Matrix Basics

What is a Matrix?

• An equation of over 5 numbers or symbols 
• A set of numbers in rows and columns
• A method of finding the n^th value of a series
• A complicated number system

Tags

CCSS.HSN.VM.C.8

CCSS.HSN.VM.C.6

What is the name of each entry of a matrix?

• Row

• Element

• Dimension

• Numbers

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

In Matrix R (pictured) what element is in the second row, third column?

• 8
• 9.01
• 6
• 1

Complete the statement below:

Entries (or elements) in a matrix are determined by their _____ position.

• row, column

• column, row

Tags

CCSS.HSN.VM.C.6

How many columns are in a 5 x 4 matrix?

• 5
• 4
• 20
• 9

Tags

CCSS.HSN.VM.C.6

How many rows are in a 7 x 3 matrix?

• 7
• 3
• 21
• 10

The order of the matrix is

• 2 x 3

• 3 x 2

Tags

CCSS.HSN.VM.C.6

In Matrix R (pictured) what element is r₂₃?

• 8

• 9.01

• 6

• 1

What must be true in order to ADD two matrices?

• They must be square.
• The dimensions must be equal.
• The determinant can't equal 0.
• The column of the 1st must equal the row of the 2nd.

Tags

CCSS.HSN.VM.C.8