SOLUTION: x2 + y2 = 9 x2 - y2 = 1

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Question 524331: x2 + y2 = 9
x2 - y2 = 1
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
x2 + y2 = 9
x2 - y2 = 1
-------------- Add
2x^2 = 10
x = ± sqrt(5)
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y = ± 2
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--> 4 points of intersection