a=(k2)\mathbf{a} = \begin{pmatrix} k \\ 2 \end{pmatrix}a=(k2) b=(−15)\mathbf{b} = \begin{pmatrix} -1 \\ 5 \end{pmatrix}b=(−15)
Work out 3a+b3\mathbf{a} + \mathbf{b}3a+b as a column vector in terms of kkk.
75 exam-style questions on WJEC GCSE Maths Vectors. Each one has a worked solution and a mark scheme showing where the marks go.