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Foundation and Higher
Non-calculator
G25 Vector arithmetic and vector arguments
Question 1 · 4 marks
Spec and skills
Paper scope: Paper 1: non-calculator practice
Spec G25
Original practice question
Answer and supported method checks
a
=
(
4
−
1
)
\mathbf{a} = \begin{pmatrix} 4 \\ -1 \end{pmatrix}
a
=
(
4
−
1
)
and
b
=
(
−
2
3
)
\mathbf{b} = \begin{pmatrix} -2 \\ 3 \end{pmatrix}
b
=
(
−
2
3
)
.
(a)
Work out
2
a
−
3
b
2\mathbf{a} - 3\mathbf{b}
2
a
−
3
b
as a column vector.
2 marks
(
,
)
xⁿ
a/b
√
π
(
)