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mitchelsewbaran
 2 years ago
Write the quadratic function in vertex form.
y = x^2 + 8x + 18
mitchelsewbaran
 2 years ago
Write the quadratic function in vertex form. y = x^2 + 8x + 18

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ParthKohli
 2 years ago
Best ResponseYou've already chosen the best response.0Do you know how to complete the square?

ParthKohli
 2 years ago
Best ResponseYou've already chosen the best response.0Yes, so can you apply that here? I'm sure you can...

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

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

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

ParthKohli
 2 years ago
Best ResponseYou've already chosen the best response.0Yes, so add \(16\) to both sides. :)

mitchelsewbaran
 2 years ago
Best ResponseYou've already chosen the best response.0y = (x + 4)^2  2

ParthKohli
 2 years ago
Best ResponseYou've already chosen the best response.0Please show your work.
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