(a(i))[2]
Complete the values table for $y = 2x^2 - 4x - 6$.
(a(ii))[4]
On the grid, sketch the graph of $y = 2x^2 - 4x - 6$ for $-2 \le x \le 4$.
(b(i))[1]
On the grid, draw the line $y = 5$.
(b(ii))[2]
Use your graph to solve $2x^2 - 4x - 6 = 5$.
(c)[1]
Explain why $2x^2 - 4x - 6 = -9$ has no solutions.
(d(i))[1]
Write down the equation of the line of symmetry of $y = 2x^2 - 4x - 6$.
(d(ii))[1]
When $2x^2 - 4x - 6 = 64$, there are two solutions for $x$, $x = 7$ or $x = \dots$