Matrices

What is the name of each entry of a matrix?

• Row
• Element
• Dimension
• Rectangle

In Matrix R (pictured) what is the value of element (3rd row, 2nd column) R_3,2

• 8

• 9.01

• 6

• 1

Dimensions?

• a
• b
• c
• d

What is a Matrix?

• An equation of complex numbers

• A rectangular arrangement of numbers

• A method of finding the n^th value of a series

• A complicated number system

Subtract

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

How many columns are in a 5 x 4 matrix?

• 5
• 4
• 20
• 9

Subtract

• 3    -8
  0   -1
• 3   -4
  8  -13
• -3   8
  0    1
• 3   -8
  -8    1

Tags

CCSS.HSN.VM.C.8

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

What number is listed first when looking at the dimension of a matrix?

• Row

• Column