Math 1090
Quiz 14
15 February, 2012
Name:
Instructions: Answer the questions below. Make sure to show all work
clearly.
Let


1 −6
2 −1 −4
A=
and B = −4 −3
6 5
3
2
1
1. What is the size of A?
2. Compute, or explain why it is impossible to do so:
(a) A − 3B
(b) 2A + B T