Algebra: Compare the quantities in matrices

[itsmelana]

Please help! Thank you bunches!

Compare the quantity in Column A with the quantity in Column B
Matrix C =
4, -2, 8
-3, 5 -1

Matrix D =
6, -7, 5
-8, -2, 9

Let E = C + D and F = C - D.

Column A
e21
Column B
f23

1. Column A is greater
2. Column B is greater
3. The two quantities are equal
4 Cannot be determined

 

[skeeter]

Re: Algebra/Compare the quantities

do you know how to add/subtract matrices?

do you know what the notation E[sub:216q3t0r]21[/sub:216q3t0r] and F[sub:216q3t0r]23[/sub:216q3t0r] means?