Subtract and Represent Vectors Graphically
Precalculus · Flashcards · Application
PRECALCULUS · FLASHCARDS
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QUESTION
If
v
=
⟨
−
5
,
0
⟩
\mathbf{v}=\langle -5,0\rangle
v
=
⟨
−
5
,
0
⟩
and
w
=
⟨
1
,
−
7
⟩
\mathbf{w}=\langle 1,-7\rangle
w
=
⟨
1
,
−
7
⟩
, what is
v
−
w
\mathbf{v}-\mathbf{w}
v
−
w
?
QUESTION
What is
P
Q
→
\overrightarrow{PQ}
P
Q
if
P
(
−
3
,
4
)
P(-3,4)
P
(
−
3
,
4
)
and
Q
(
2
,
9
)
Q(2,9)
Q
(
2
,
9
)
?
QUESTION
If
v
=
⟨
2
,
1
⟩
\mathbf{v}=\langle 2,1\rangle
v
=
⟨
2
,
1
⟩
and
w
=
⟨
−
4
,
3
⟩
\mathbf{w}=\langle -4,3\rangle
w
=
⟨
−
4
,
3
⟩
, what is
v
−
w
\mathbf{v}-\mathbf{w}
v
−
w
?
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ANSWER
⟨
6
,
−
2
⟩
\langle 6,-2\rangle
⟨
6
,
−
2
⟩
. Subtract components:
2
−
(
−
4
)
=
6
2-(-4)=6
2
−
(
−
4
)
=
6
and
1
−
3
=
−
2
1-3=-2
1
−
3
=
−
2
.
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