Matrices and Complex Numbers

• A
• B
• C
• D

Convert the complex number to polar

• A

• B

• C

• D

Dimensions?

• a

• b

• c

• d

• A
• B
• C
• D

• 10
• -10
• 10i
• -10i

• -5

• 5

• 0

• 2

Add

• 11    8
  -4     2

• 3     2
  -6    -6

• -3    2
  -4    -6

• 10    8
  -6    2

What do w, x, y and z equal in this matrix subtraction?

• w = 13, x = 4, y = 7, z = 23

• w = 13, x = -4, y = 11, z = 23

• w = 13, x = 4, y = 11, z = 23

• w = 13, x = 4, y = 11, z = 17

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

Which sums can NOT be made from the following matrices ?

• A+A

• A+C

• B+D

• C+C