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

How many columns are in a 5 x 4 matrix?

• 5
• 4
• 20
• 9

Tags

CCSS.HSN.VM.C.6

In Matrix R (pictured) what element is r₂₃?

• 8

• 9.01

• 6

• 1

Add

• 11    8
  -4     2
• 3     2
  -6    -6
• -3    2
  -4    -6
• 10    8
  -6    2

Tags

CCSS.HSN.VM.C.8

Subtract

• -5
  -8
  3
  10
• -9
  8
  3
  2
• 5
  -8
  3
  10
• -5
  8
  3
  2

Tags

CCSS.HSN.VM.B.4

CCSS.HSN.VM.C.10

CCSS.HSN.VM.C.8

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.8

What is the value of element a₃₄?

• 2
• -3
• 6
• 1

If A is a square matrix of m by n then

• m=n

• m>n

• m<n

• none