(a)[1]
State the equation of line $L$ in the form $y = mx + c$.
(b)[3]
Determine the value of $a$.
(c(i))[2]
Fill in the table of values for $y = x^2 - 6$.
(c(ii))[4]
On the grid, sketch the graph of $y = x^2 - 6$ for $-4 \leq x \leq 4$.
(c(iii))[1]
State the equation of the line of symmetry of the graph.
(c(iv))[1]
From your graph, solve the equation $x^2 - 6 = 0$ for $x > 0$.