Question

Please please help me with this. Matrices is so difficult.

Find -0.5D

D=[18. 16]

[-14 -6]


Options are:


A. [9 8]

[-14 -6]

B. [9 8]

[7 3]

C. [9. 8]

[-7 -3]

D. [-9 -8]

[7 3]

Answer 1

Choice D.

Explanation:

D=[18. 16]

[-14 -6]

-0.5D = [-0.5(18) -0.5(16)]

[-0.5(-14) -0.5(-6)]

-0.5D = [ -9 -8]

[ 7 3]