Question

complete the square ? x2 + 8x = 34

Answer 1

.... so what is your best guess for this one?

Answer 2

youve seen it done many times now....whats your best effort?

Answer 3

i think its 2 because the half of 8 is 4 square that 2 . did i do it right i tryd .

Answer 4

you are getting closer :) half of 8 is 4, that much yougot down good; when we square the 4 we get : 4*4 = 16

Answer 5

you took the square root of 4; which is a different concept. related, but differnt.

You did good :)

Answer 6

so wht i do wrong and the answer is wht .

Answer 7

you took the "square root" of 4 which was off. You need to take the "square" of 4:

4^2 = 4 times 4 = 16. The answer is 16 :)