(a(i))[2]
Show that $3x^2 + 6x - 22 = 0$.
(a(ii))[4]
Solve the equation $3x^2 + 6x - 22 = 0$, giving your answers correct to 4 significant figures. Show all your working.
(a(iii))[1]
Find rectangle $B$'s perimeter.
(b)[7]
Find the value of $y$ by first forming a quadratic equation and then factorising it.