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10-12-2017
Mathematics

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Solve the system of equations. Show your work.
4x-8y=0
x^2+y^2=25

(If anyone can help it would be much appreciated. I am a home schooled student due to heart problems, so the only help I can really get about this stuff is from the internet. So, if someone could help me understand this better, I would be very grateful.)

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10-12-2017

4x-8y=0
x=2y

x²+y²= 25
4y²+y²=25
5y²=25
y²=5
y = ✓5
x=2✓5

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