SOLUTION: xy=4
x^2+y^2=8
How do I solve this system by the substitution method?
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Question 958358: xy=4
x^2+y^2=8
How do I solve this system by the substitution method?
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
...........(1)
.......(2)
--------------------
...........(1)...solve for
..........substitute in (2)
.......(2) solve for
solutions: two double solutions
if =>
if =>
now find
substitute =>
and
substitute =>
so,
,
or
,
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