1.
Find the value of
A.
-2
B.
2
C.
14
D.
0
Hint
2.
Find the dimensions of
A
6 × 3
·
B
3 × 1
.
A.
3 × 3
B.
6 × 1
C.
6 × 3
D.
3 × 1
Hint
3.
Find the product of
A.
B.
C.
D.
Hint
4.
Given that
and
use the fact that
to find
AB
+
AC
.
A.
B.
C.
D.
Hint
5.
Which of the following properties does not hold for matrices?
A.
commutative property of multiplication
B.
associative property of multiplication
C.
right distributive property
D.
left distributive property
Hint