Quadratic Simultaneous Equations by Boxed Rockets

\begin{matrix} y = x^{2} + 9 x + 8 \\ y = x + 6 \end{matrix}

\begin{matrix} x = -0.258 or -7.74 \\ y = 5.742 or -1.74 \end{matrix}

\begin{matrix} y = 3 x^{2} - 5 x - 1 \\ y = 3 x + 10 \end{matrix}

\begin{matrix} x = 3.67 or -1 \\ y = 21.01 or 7 \end{matrix}

\begin{matrix} y = 2 x^{2} + 9 x - 7 \\ y = 2 x - 3 \end{matrix}

\begin{matrix} x = 0.5 or -4 \\ y = -2 or -11 \end{matrix}

\begin{matrix} y = x^{2} + 5 x - 4 \\ y = x + 8 \end{matrix}

\begin{matrix} x = 2 or -6 \\ y = 10 or 2 \end{matrix}

\begin{matrix} y = 3 x^{2} + 11 x - 5 \\ y = x - 6 \end{matrix}

\begin{matrix} x = -0.103 or -3.23 \\ y = -6.103 or -9.23 \end{matrix}

\begin{matrix} y = x^{2} - 4 x + 2 \\ y = 2 x - 3 \end{matrix}

\begin{matrix} x = 5 or 1 \\ y = 7 or -1 \end{matrix}