1.
Which pair of vectors is perpendicular?
A.
,
B.
,
C.
,
D.
,
Hint
2.
Find
if
and
.
A.
B.
C.
D.
Hint
3.
The cross product of two vectors is _______.
A.
a dot product
B.
parallel to both vectors
C.
perpendicular to both vectors
D.
not a vector
Hint
4.
Two vectors
and
are perpendicular if ________.
A.
their inner product equals zero
B.
their dot product is equal to their cross product
C.
their cross product equals zero
D.
their inner product is
v
1
w
1
+
v
2
w
2
Hint
5.
Find
if
and
.
A.
-8
B.
C.
D.
5
Hint