Question
Use the substitution method to find all solutions of the system of equations.$\left\{\begin{array}{l}{x^{2}+y^{2}=8} \\ {x+y=0}\end{array}\right.$
Step 1
Step 1: Start with the given system of equations: \[ \begin{cases} x^2 + y^2 = 8 \\ x + y = 0 \end{cases} \] Show more…
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