a=(−42)\mathbf{a} = \begin{pmatrix} -4 \\ 2 \end{pmatrix}a=(−42) b=(3−5)\mathbf{b} = \begin{pmatrix} 3 \\ -5 \end{pmatrix}b=(3−5)
Work out 3a+b3\mathbf{a} + \mathbf{b}3a+b as a column vector.
75 exam-style questions on CCEA GCSE Maths Vectors. Each one has a worked solution and a mark scheme showing where the marks go.