SOLUTION: solve the system algebraically: x^2+y^2=20
please help me
thanks a lot
Algebra.Com
Question 48473: solve the system algebraically: x^2+y^2=20
please help me
thanks a lot
Answer by longjonsilver(2297) (Show Source): You can put this solution on YOUR website!
ok, solve means "where does the curve cross the x-axis?" ie this is where y=0.
So becomes
or
which are the 2 answers. However, we usually try to simplify a square root if possible. Here we can:
or
or
or
or
jon
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