I knew the answer was 81 because I finally got pissed off and checked the back of the book, if you must know : ) Erin TO Quoting JimKandJulieB@xxxxxxx: > How do you know the answer is 81 if you don't know how to get it? > > I never had a head for math -- my last math course was in 7th grade algebra > > and it was the only "C" I got in my life. I suspect the hospital of > switching babies on me -- my 14 yr old 9th grader is taking pre-calc, getting > > straight "A"s, and understands how to use one of those bizarre $150 IT > calculators. > I told her from the get-go, "If you have trouble with your Math homework > don't even ask me.". > > I wonder what it would like to have the math gene...... > > Julie Krueger > heavily reliant on standard calculators that add, subtract, multiply, > divide, and figure percentages (and the last one's kinda tricky). And no, > I'm not > retarded. At least not officially. > > ========Original Message======== Subj: [lit-ideas] Don't Laugh (Math) > Date: 6/23/06 2:36:50 P.M. Central Daylight Time From: > _erin.holder@xxxxxxxxxxxx (mailto:erin.holder@xxxxxxxxxxx) To: > _lit-ideas@xxxxxxxxxxxxxx > (mailto:lit-ideas@xxxxxxxxxxxxx) Sent on: > OK, who can explain to me how to solve this: > > If x^2+2xy+y^2 = 9 then (x+y)^4 = ? > > I know the answer is "81", I just don't know how to get it. It's starting > > to > frustrate me. I haven't done this stuff in almost ten years, and I can't > for > the life of me remember how to go about it (although I seem to be getting > the > hang of some of the other ones...?) > > > Erin > TO > > > > > ------------------------------------------------------------------ > To change your Lit-Ideas settings (subscribe/unsub, vacation on/off, > digest on/off), visit www.andreas.com/faq-lit-ideas.html > -- Erin ------------------------------------------------------------------ To change your Lit-Ideas settings (subscribe/unsub, vacation on/off, digest on/off), visit www.andreas.com/faq-lit-ideas.html