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Column vectors
16 questions
Lesson
Not started
Mark as done
a
=
(
3
1
)
\mathbf{a} = \begin{pmatrix} 3 \\ 1 \end{pmatrix}
a
=
(
3
1
)
and
b
=
(
2
5
)
\mathbf{b} = \begin{pmatrix} 2 \\ 5 \end{pmatrix}
b
=
(
2
5
)
. Work out
a
+
b
\mathbf{a} + \mathbf{b}
a
+
b
.
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●●●●
Level 1
1 mark
Start
→
Mark as done
a
=
(
4
−
2
)
\mathbf{a} = \begin{pmatrix} 4 \\ -2 \end{pmatrix}
a
=
(
4
−
2
)
. Work out
3
a
3\mathbf{a}
3
a
.
●
●●●●
Level 1
1 mark
Start
→
Mark as done
p
=
(
6
2
)
\mathbf{p} = \begin{pmatrix} 6 \\ 2 \end{pmatrix}
p
=
(
6
2
)
and
q
=
(
1
4
)
\mathbf{q} = \begin{pmatrix} 1 \\ 4 \end{pmatrix}
q
=
(
1
4
)
. Work out
p
−
q
\mathbf{p} - \mathbf{q}
p
−
q
.
●
●●●●
Level 1
1 mark
Start
→