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cbrusoe
 3 years ago
121+x^2=225 what does x equal?
cbrusoe
 3 years ago
121+x^2=225 what does x equal?

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JamesWolf
 3 years ago
Best ResponseYou've already chosen the best response.0so you want to get the x on its own. try subtracting 121 from both sides first

JamesWolf
 3 years ago
Best ResponseYou've already chosen the best response.0now you need to get rid of the ^2

mickey4691
 3 years ago
Best ResponseYou've already chosen the best response.0what is the opposite of ^2?

JamesWolf
 3 years ago
Best ResponseYou've already chosen the best response.0okay well whats the opposite of squaring something?

mickey4691
 3 years ago
Best ResponseYou've already chosen the best response.0remember it's \[\pm \sqrt{104}\]

cbrusoe
 3 years ago
Best ResponseYou've already chosen the best response.0ooh nevermind went blank i would square root it making x = 10.2 right

CheetahBooks1
 3 years ago
Best ResponseYou've already chosen the best response.0121+x^2=225 121 121 x^2=104 square root x square root 104 X=10.2 approximately

mickey4691
 3 years ago
Best ResponseYou've already chosen the best response.0but it's gonna be a positive or negative 10.2

CheetahBooks1
 3 years ago
Best ResponseYou've already chosen the best response.0Aww man! she got it! oh well, congratulations! That's how you would show your work.

CheetahBooks1
 3 years ago
Best ResponseYou've already chosen the best response.0It can actually be positive and negative!

JamesWolf
 3 years ago
Best ResponseYou've already chosen the best response.0could be either, but i doubt your teacher will care at this stage

mickey4691
 3 years ago
Best ResponseYou've already chosen the best response.0it can be positive and negative check it wit the calculator yu shud use positive for now

cbrusoe
 3 years ago
Best ResponseYou've already chosen the best response.0haha yeahh i got it right =) thanks again all of you
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