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Mathematics 18 Online
OpenStudy (anonymous):

HELP PLEASE! What value completes the square for the expression? x^2 - 18x A. 9 B. -9 C. 81 D. -81

OpenStudy (anonymous):

i believe its a but im gunna try again to make sure.

OpenStudy (anonymous):

Okay!

hartnn (hartnn):

no,its 81

hartnn (hartnn):

can u expand (x-9)^2....try

OpenStudy (anonymous):

hes prolly right lol

OpenStudy (anonymous):

Aha. Okay. Thanks! (x-9)^2 that would be 81 right?

OpenStudy (anonymous):

its c

OpenStudy (anonymous):

yup! :D

OpenStudy (anonymous):

thank you!

OpenStudy (anonymous):

np now help me lmaoo c:

OpenStudy (anonymous):

How? ha

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