(a(i))[1]
Work out the vector $4a$.
(a(ii))[2]
Work out the vector $2a - b$.
(b(i))[1]
Write down the coordinates for point $P$.
(b(ii))[1]
On the grid, plot point $Q$ at coordinates $(-4, 2)$.
(b(iii))[1]
On the grid, plot point $R$.
(b(iv))[1]
On the grid, draw the straight line $y = 3$.
(c(i))[2]
Find the equation for line $L$ in the form $y = mx + c$.
(c(ii))[1]
Write down the equation for a line parallel to line $L$.