Matrices Quiz

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

Dimensions?

• a
• b
• c
• d

What are the dimensions of this matrix?

• 2 x 3
• 3 x 2
• 6 x 1
• 1 x 6

In Matrix R (pictured) what is the value of element R_3,2?

• 8

• 9.01

• 6

• 1

Which matrix is an identity matrix?

• A
• B
• C
• D

Tags

CCSS.HSN.VM.C.10

Perform the indicated operation

• 
• 
• 
• 
• not possible

Tags

CCSS.HSN.VM.C.8

Add these two matrices

• 10    -3    15
  -6      1     9

• 10    8    3
  -17   1    4
  12    5    0

• 10     8
  -17    1

• undefined

Tags

CCSS.HSN.VM.C.8

Perform the indicated operation

• 
• 
• 
• 
• not possible

Tags

CCSS.HSN.VM.C.8

What do m, n, p and q equal in this scalar matrix multiplication?

• m=8, p=-4, n=9, q=4

• m=15, p=20, n = -45, q=-5

• m=20, p=15, n=-5, q=-45

• m=-5, p=-45, n=20, q=15

Tags

CCSS.HSN.VM.C.7

You can multiply a 2X3 matrix by which matrix (The 2x3 matrix is the first matrix)?

• 2X2

• 2X12

• 3X12

• 2X3

Tags

CCSS.HSN.VM.C.8