Use graphing to find the solutions to the system of equations.

y=x^2+7x+7
y=x+2

Question

Use graphing to find the solutions to the system of equations.

 y=x^2+7x+7
 y=x+2

mathmath333 · Answer

so u are allowed to use graphing calculator

mathmath333 · Answer

https://www.desmos.com/calculator/1rk2cnk3m5

mathmath333 · Answer

otherwise

$\large \begin{align} \color{black}{ y=x^2+7x+7\
 y=x+2
\hspace{.33em}\~\
x^2+7x+7=x+2 \hspace{.33em}\~\
x^2+6x+5=0 \hspace{.33em}\~\
x^2+5x+x+5=0 \hspace{.33em}\~\
x^2+5x+x+5=0 \hspace{.33em}\~\
x(x+5)+1(x+5)=0 \hspace{.33em}\~\
(x+1)(x+5)=0 \hspace{.33em}\~\
x=-1~~or~~x=-5 \hspace{.33em}\~\
}\end{align}$

put each value of x to get y in original equations