anonymous
  • anonymous
I understand a little bit on how to do this, I just need help. I'm pretty sure it's a... But I don't know. Help? 81+18y+y^2 100-20y+y^2 144+24y+y^2 121+11y+y^2 Which expression is NOT a perfect square trinomial?
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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hungergames13
  • hungergames13
it should be 121+11y+y^2
anonymous
  • anonymous
Okay, how did you come up with this reasoning? @hungergames13
hungergames13
  • hungergames13
because (a+b)^2=a^2+2ab+b^2

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hungergames13
  • hungergames13
It would be a perfect square trinomial if it was 121 + 22y + y²
anonymous
  • anonymous
Is it because you can't factor 121 and 11?
hungergames13
  • hungergames13
I don't know thats just the answer that I belive is right
anonymous
  • anonymous
Okay, last question, can you use one of the perfect square trinomials and show me how to factor it so I can figure out the next one on my own?
anonymous
  • anonymous
@hungergames13
hungergames13
  • hungergames13
ok
hungergames13
  • hungergames13
so like an example to show you how?
anonymous
  • anonymous
Yes
hungergames13
  • hungergames13
this web site helped me out a lot let me share it with you http://www.basic-mathematics.com/factoring-perfect-square-trinomials.html
anonymous
  • anonymous
Thank you! :)
hungergames13
  • hungergames13
your welcome

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