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#1 |
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Banned
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hey simple ass for u guys, here it is
"rearrange x^2-20x+500 in the form (x-p)^2+q thanks jason |
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#2 |
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well, think about it.
Start with the (x-p)^2 Expanding that out you're going to get x^2 - 2p*x + p^2 Equate coefficients from one side to the other, and you can tell that p has to equal 10. From there, you have that (x-10)^2 = x^2 -20x + 100 But you need 500 at the end, so obviously q has to be 400. So... x^2 - 20x + 500 = (x-10)^2 + 400 Just think it through logically, and break it down into the simple things that you know how to do to begin with. |
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#3 |
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Banned
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could someone write it on paper and scan it or photo it? like without thex^2 but with x2 witha a little 2
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#4 |
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old porsches do run!
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Just wirte what MadMax wrote on paper yourself and think about it. It's pretty straightforward.
Ok, here's a picture, should be pretty clear ![]()
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#5 |
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Banned
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THANKS SO MUCH!
btw as u know iam 17 and this question seems v simple for a 17yr old doin maths.. feel like tellin s story and stoping revison. so i;m un 12 and we take AS levels. if ur normal u do 4, whcih i am. i use to take business, design, psychology and IT however, lookin in to uni's, having maths is a major advantage if takin business. however, when i was doin gcse's i got a B, which is good enough to take standard maths in AS level, however i took the intermediate paper where i u miss out some stuff which is important so they forced me to take a 2 years AS course which means while ppl end up wit ha A level in 2 years, i only get a AS. but then having maths is adavantage so i guess it worth it. |
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#6 |
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Lazier than Viper
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Dude you suck, I stopped doing maths more than a year ago but that was easy
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#7 |
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Banned
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o thanks, i'll always look to u for postivite comment u ***
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#8 | |
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Joined: Mar 5th, 2004
Last Online: November 13th, 2009
Location: Somewhere in rural Ontario, Canada
Posts: 3,640
Car: 2000 Civic SiR
Rep Power: 28
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Quote:
Full of tact, aren't we??
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#9 |
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Should we open a "do my homework for me"- topic?
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#10 |
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Banned
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yes please
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#11 |
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old porsches do run!
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We have one about homework already, Josty (or not) started it a while ago.
EDIT: http://forum.finalgear.com/viewtopic.php?t=3108 |
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