Question

PLease help!!!!
1. sum up the difference
[ -3 0] + [-4 2]
[5 -7] [ -1 8]
A. [ -1 2]
[ -4 1]
B [ -7 -2]
[ 4 15]
C. [-7 2]
[4 1]
D. [-7 2]
[4 -1]


2. [ -5 2 0] - [ -1 3 3]
[-5 9 9] [ 7 4 7]
A. [-4 -1 -3]
[12 -5 2]
B, [ -4 -1 3]
[-12 5 2]
C. [-4 -1 -3]
[-12 5 2]
D. [-4 1 -3]
[ -12 5 2]


3.[-2 0] + [2 0]
[ 7 6] [-7 -6]
A. [4 0]
[-14 -12]
B. [-9 -6]
[9 6]
C. [ -4 0]
[14 12]
D. [ 0 0]
[0 0]

Answer 1

Just add the two matrices corner-to-corner