at \((2,8)\). Determine the coordinates of any other point of intersection of the two curves.

Sketch on the same axes the curves \(\eqref{eq:1}\) and \(\eqref{eq:2}\) when \(a = 2\).

Sketch on the same axes the curves \(\eqref{eq:1}\) and \(\eqref{eq:2}\) when \(a = 1\).

Sketch on the same axes the curves \(\eqref{eq:1}\) and \(\eqref{eq:2}\) when \(a = -2\).