Anguyennn
  • Anguyennn
Hello I need help with a quadratic formula
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Anguyennn
  • Anguyennn
Anguyennn
  • Anguyennn
It asks what the smaller root is and what the larger root is! And I am not sure what it means by that.
anonymous
  • anonymous
Start by simplifying under the radical. Once you do, the two solutions come from the ± sign. Add to get one and subtract for the other

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Anguyennn
  • Anguyennn
yes but....
myininaya
  • myininaya
have you approximated both values yet?
myininaya
  • myininaya
\[x=\frac{-(-5) + \sqrt{(-5)^2-4(-2)(-2)}}{2(-2)} \approx ? \\ x=\frac{-(-5)- \sqrt{(-5)^2-4(-2)(-2)}}{2(-2)} \approx ?\]
Anguyennn
  • Anguyennn
wait hold on lemme do it ok
myininaya
  • myininaya
actually these both come out very nicely no need for approximations
Anguyennn
  • Anguyennn
I dont understand what it asks by the smaller and larger root
myininaya
  • myininaya
well can you tell me what you got from the above computations ?
Anguyennn
  • Anguyennn
I got -2 for one of them
Anguyennn
  • Anguyennn
and for the other i got -0.5
myininaya
  • myininaya
ok so you don't know which is larger of the two?
Anguyennn
  • Anguyennn
-0.5
myininaya
  • myininaya
right and the smaller one is -2
Anguyennn
  • Anguyennn
ohhh thats it?
myininaya
  • myininaya
yep
Anguyennn
  • Anguyennn
wow thank you!!!!
Anguyennn
  • Anguyennn
gave you a metal :)
myininaya
  • myininaya
thank you
Anguyennn
  • Anguyennn
see ya!
myininaya
  • myininaya
later

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