Add Vectors in Different Ways
Precalculus · Flashcards · Application
PRECALCULUS · FLASHCARDS
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QUESTION
If
u
⃗
=
⟨
2
,
1
⟩
\vec{u}=\langle 2,1\rangle
u
=
⟨
2
,
1
⟩
and
v
⃗
=
⟨
−
1
,
5
⟩
\vec{v}=\langle -1,5\rangle
v
=
⟨
−
1
,
5
⟩
, find
u
⃗
+
v
⃗
\vec{u}+\vec{v}
u
+
v
.
QUESTION
Find
∥
⟨
6
,
8
⟩
∥
\lVert\langle 6,8\rangle\rVert
∥⟨
6
,
8
⟩∥
.
QUESTION
Find the magnitude
∥
⟨
5
,
12
⟩
∥
\|\langle 5,12\rangle\|
∥
⟨
5
,
12
⟩
∥
.
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ANSWER
13
13
13
.
5
2
+
12
2
=
25
+
144
=
169
=
13
\sqrt{5^2+12^2}=\sqrt{25+144}=\sqrt{169}=13
5
2
+
1
2
2
=
25
+
144
=
169
=
13
.
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