Question

Given the function f(x) = x2 + 8x + 14
A Rewrite the function in vertex form by completing the square.

Answer 1

complete the square you get
(x+4)^2-2

Answer 2

i'll show you a great vid

Answer 3

how di d you get -2 i got + 30?

Answer 4

http://www.khanacademy.org/math/algebra/quadtratics/v/completing-the-square-1

Answer 5

\[f(x) = x^{2} + 8x + 14\]\[x^{2} + 8x + 14 = 0\]\[x^{2} + 8x = -14\]\[x^{2} + 8x + 16 = -14 + 16\]\[(x + 4)^{2} = 2\]\[0 = (x + 4)^{2} - 2\]\[f(x) = (x + 4)^{2} - 2\]

Answer 6

Welcome to Open Study were everyone is here is smart lol hahah just kidding..
bt anyway welcome XD

Answer 7

thank you so much!!

Answer 8

np :)