1.
Find the value of
A.
0
B.
-2
C.
14
D.
2
Hint
2.
Find the dimensions of
A
6 × 3
·
B
3 × 1
.
A.
3 × 1
B.
6 × 3
C.
6 × 1
D.
3 × 3
Hint
3.
Find
A.
B.
C.
D.
Hint
4.
State whether the product of
A
3 × 4
and
B
3 × 4
is defined, and if it is defined, state the dimensions.
A.
defined, 3 × 4
B.
undefined
C.
defined, 9 × 16
D.
defined, 4 × 3
Hint
5.
Which of the following properties does not hold for matrices?
A.
commutative property of multiplication
B.
associative property of multiplication
C.
left distributive property
D.
right distributive property
Hint