(a(i))[1]
Draw Pattern $5$ in the grid.
(a(ii))[2]
Complete the table to show the totals of triangles.
(a(iii))[1]
Write an expression, in terms of $n$, for how many triangles Pattern $n$ contains.
(a(iv))[2]
Write an expression, in terms of $n$, for the count of white triangles in Pattern $n$.
(b(i))[2]
The $3$rd term of a linear sequence is $34$. The $8$th term is $14$. Find the value of the first term.
(b(ii))[1]
Find the value of the first negative term in this sequence.