1.
Which pair of vectors is perpendicular?
A.
,
B.
,
C.
,
D.
,
Hint
2.
Find the inner product of
and
if
and
.
A.
-12
B.
-8
C.
-14
D.
14
Hint
3.
Find
if
and
.
A.
B.
C.
D.
Hint
4.
The cross product of two vectors is _______.
A.
parallel to both vectors
B.
perpendicular to both vectors
C.
a dot product
D.
not a vector
Hint
5.
Evaluate
if
and
.
A.
60
B.
44
C.
21
D.
-39
Hint