Math 4 Final Review Quiz 4

find: B*A

Youtube: Mattdoesmath

Video: Multiplying Matrices

• 47 30

  9 5

• 17 15

  42 35

• 10 25

  7 1

• not possible because rows do not match columns

If the matrices can be multiplied, what dimension is the product? If not, write undefined.

Youtube: Mattdoesmath

Video: Multiplying Matrices

• ( 3 x 1 )

• ( 3 x 2 )

• ( 3 x 3 )

• undefined

If the matrices can be multiplied, what dimension is the product? If not, write undefined.

Youtube: Mattdoesmath

Video: Multiplying Matrices

• ( 2 x 2 )

• ( 6 x 2)

• ( 2 x 6 ) )

• ( 3 x 2 )

Find Z - W

• 
• 
• 
• Does Not Exist

Tags

CCSS.HSN.VM.C.8

Find V + X

• 
• 
• 
• Does Not Exist

Tags

CCSS.HSN.VM.C.8

Which of the matrix operations could NOT be performed? Check all that apply!

• X + Y

• V - X

• Z - W

• (W - Z ) + V

• W + Y - X

Tags

CCSS.HSN.VM.C.8

What is the equation of the graph?

•  y = 2 cos x
• y = sin x
• y = 2 sin x
• y = sin 2x 

Tags

CCSS.HSF-IF.C.7E

What is the amplitude of the graph? 

• 1
• 3
• 6
• 9

Tags

CCSS.HSF-IF.C.7E

The __________ represents half the distance between the max and min of a sine or cosine graph. 

• Period
• Frequency
• Extreme Values
• Amplitude

Tags

CCSS.HSF-IF.C.7E

What is the Domain of this function?

• -1 < y < 1

• Range

• All real Numbers

• x > 0

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5