Matrices 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

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

In Matrix R (pictured) what element is r₂₃?

• 8

• 9.01

• 6

• 1

Classify the matrix  

• Square matrix,  Diagonal matrix

• Triangular matrix, Diagonal matrix

• Square matrix, Identity matrix

• Square matrix, triangular matrix

You can multiply a 2X3 matrix by which matrix?

• 2X2
• 2X12
• 3X12
• 2X3

Tags

CCSS.HSN.VM.C.8

How many rows are in a 7 x 3 matrix?

• 7
• 3
• 21
• 10

Which of the following is NOT a square matrix?

• Diagonal matrix

• Identity matrix

• Triangular matrix

• zero matrix