Multiplying Matrix

Find the product of the matrices.

• A

• B

• C

• D

Perform scalar multiplication on the matrix

• A

• B

• C

• D

Given matrices A & B: 
A is a (4x33) matrix
B is a (33x1) matrix
 What are the dimensions of the product of A times B?

• 4x1

• 4x33

• 33x1

• Matrix does not exist

After completing multiplying the two matrices together, what is the sum of highest value and lowest value inside of the resulting matrix?

• 14

• 13

• 12

• 11

In Matrix R (pictured) what element is a₂₃?

• 8

• 9.01

• 6

• 1

matrix A = 2 x 7,
matrix B = 7 x 2
 Determine which of the following operations exist.  

• + B

• B

• A

• AB^t

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

• m=8, n=9, p=-4, q=4 

• m=15, n = -45, p=20, q=-5

• m=20, n=-5, p=15, q=-45

• m=-5, n=20, p=-45, q=15

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