Practice problem
Solve the system of nonlinear equations using substitution. {y=x2+4x−206x+2y=48\\\begin{cases}y=x^2+4x-20\\6x+2y=48\end{cases}{y=x2+4x−206x+2y=48
x=1y=34\begin{matrix}x=1&y=34\end{matrix}x=1y=34
x=−6y=17\begin{matrix}x=-6&y=17\end{matrix}x=−6y=17
x=2y=30\begin{matrix}x=2&y=30\end{matrix}x=2y=30
x=4y=12\begin{matrix}x=4&y=12\end{matrix}x=4y=12
x=−11y=57\begin{matrix}x=-11&y=57\end{matrix}x=−11y=57
Type a concept, like “slope” or “photosynthesis”.