Scalar Matrix

Use the given matrices to answer the following question;

Calculate 2A

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• 
• 
• Not Possible

Perform scalar multiplication on the matrix

• A

• B

• C

• D

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

How would a scalar multiplication be carried out for a matrix?

• Add the Scalar to every element in the matrix

• Dot product the rows of one matrix with the columns of the other matrix

• Multiply every element with the scalar to create a new matrix

• subtract the elements in the first matrix from the elements of the second matrix

• A

• B

• C

• D

• E

Perform the scalar multiplication.

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• 
• 
• 

Perform the scalar multiplication. 

​ (a)   ​ (b)  

​ (c)   ​ (d)  

• -1

• 3

• 9

• -16

• -2

• 36

• 6

• -64

• -4

• -12

AFTER multiplying by the scalar, what will this element be?

a₃₂

AFTER multiplying by the scalar, what will this element be?

a₁₂

AFTER multiplying by the scalar, what will this element be?

a₃₁