SOLUTION: Can you help me find the intersection points for the ellipse x^2 + y^2/4 =1 and the circle x^2 + y^2 =4

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Question 835945: Can you help me find the intersection points for the ellipse x^2 + y^2/4 =1 and the circle x^2 + y^2 =4
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.x%5E2+%2B+y%5E2%2F4+=1
2.+x%5E2+%2B+y%5E2+=4
From eq. 1,
x%5E2=1-y%5E2%2F4
Substitute into eq. 2,
%281-y%5E2%2F4%29%2By%5E2=4
1%2B%283%2F4%29y%5E2=4
%283%2F4%29y%5E2=3
y%5E2=4
y=0+%2B-+2
Then,
x%5E2=1-y%5E2%2F4
x%5E2=1-1
x=0
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