SOLUTION: Solving the nonlinear system of equations. x^2+y^2=4 x+y=-2

Algebra ->  Algebra  -> Systems-of-equations -> SOLUTION: Solving the nonlinear system of equations. x^2+y^2=4 x+y=-2      Log On

Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!
Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

   

Question 194282: Solving the nonlinear system of equations.
x^2+y^2=4
x+y=-2
Answer by edjones(7311) About Me  (Show Source):
You can put this solution on YOUR website!
x^2+y^2=4
x+y=-2
.
y=-x-2
x^2+(-x-2)^2=4
x^2+x^2+4x+4=4
2x^2+4x=0
2x(x+2)=0
x=0, y=-2 ; x=-2, y=0
.
graph%28500%2C500%2C-10%2C10%2C-10%2C10%2C-x-2%2Csqrt%284-x%5E2%29%2C-sqrt%284-x%5E2%29%29
.
Ed