matrices intro

What are the dimensions of this matrix?

• 2 x 3
• 3 x 2
• 6 x 1
• 1 x 6

Multiply

• 20     15    -10
  30     -5         0
• -20      15     -10
  30     -5          0
• 1        8       3
  11     4        5
• 20     -15     10
  -30         5        0  

Tags

CCSS.HSN.VM.C.7

Find A+B

• 8     10
  8      1 
• 12     25
  7     1
• 10     30
  0     1
• can't add two together because the rows dont match columns

Tags

CCSS.HSN.VM.C.8

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

• 8
• 9.01
• 6
• 1

Identify the dimensions.

• 1 x 3
• 1 x 2
• 2 x 1
• 3 x 1

State the dimensions of the augmented matrix for the system.

• 2 x 3
• 3 x 2
• 3 x 4
• 4 x 3

Tags

CCSS.HSA.REI.C.8

Before you write an augmented matrix, make sure each equation in the system is written in _____ _____ .

• standard form
• random order
• decreasing order
• original form

Tags

CCSS.HSA.REI.C.8

A matrix derived from a system of linear equations is the _____ _____ of the system.

• augmented matrix
• constant matrix
• linear matrix
• coefficient matrix

Tags

CCSS.HSA.REI.C.8