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mitchelsewbaran
Group Title
Write the quadratic function in vertex form.
y = x^2 + 8x + 18
 one year ago
 one year ago
mitchelsewbaran Group Title
Write the quadratic function in vertex form. y = x^2 + 8x + 18
 one year ago
 one year ago

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ParthKohli Group TitleBest ResponseYou've already chosen the best response.0
Do you know how to complete the square?
 one year ago

mitchelsewbaran Group TitleBest ResponseYou've already chosen the best response.0
(b/2)^2
 one year ago

ParthKohli Group TitleBest ResponseYou've already chosen the best response.0
Yes, so can you apply that here? I'm sure you can...
 one year ago

mitchelsewbaran Group TitleBest ResponseYou've already chosen the best response.0
here are the choices: y = (x  4)^2  2 y = (x  4)^2 + 2 y = (x + 4)^2  2 y = (x + 4)^2 + 2
 one year ago

ParthKohli Group TitleBest ResponseYou've already chosen the best response.0
Okay, but can you add \(\left(b\over 2\right)^2\) to both sides? Do you know what \(b\) is?
 one year ago

ParthKohli Group TitleBest ResponseYou've already chosen the best response.0
So what would \(\left(b\over 2\right)^2\) be?
 one year ago

mitchelsewbaran Group TitleBest ResponseYou've already chosen the best response.0
16?
 one year ago

ParthKohli Group TitleBest ResponseYou've already chosen the best response.0
Yes, so add \(16\) to both sides. :)
 one year ago

mitchelsewbaran Group TitleBest ResponseYou've already chosen the best response.0
y = (x + 4)^2  2
 one year ago

ParthKohli Group TitleBest ResponseYou've already chosen the best response.0
Please show your work.
 one year ago
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