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  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -

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#1 2013-01-20 04:43:27

cooljackiec
Full Member

Offline

inequailities

Given that

and
, what is the greatest value of x + y?


I see you have graph paper.
You must be plotting something
lol

#2 2013-01-20 06:57:30

scientia
Full Member

Offline

Re: inequailities


Let
and rewrite the inequalities in terms of
and
:




Eliminating
gives



So the maximum value of
is
.

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