SOLUTION: Solve the system: x^2+y^2=63 x^2-3y^2=27
Coordinate Systems and Linear Equations
-> SOLUTION: Solve the system: x^2+y^2=63 x^2-3y^2=27
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4y^2 = 36
y = +/- 3
Sub for y and find values of x
x^2 + 9 = 63
x = +/- 3sqrt(2)
Use the + and minus values to get the 4 points of intersection.