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Mathematics 8 Online
OpenStudy (anonymous):

x2 + 10x = 15 What number must you add to complete the square?

OpenStudy (anonymous):

You take 1/2 of the x term and square it. 25

OpenStudy (dumbcow):

refer to prev post half of middle coefficient and square it

OpenStudy (anonymous):

hey dumbcow are you really dumb?

OpenStudy (dumbcow):

yes very :)

OpenStudy (anonymous):

i thought so

OpenStudy (anonymous):

whats the answer , i dont wanna get it wrong .

OpenStudy (anonymous):

really?

OpenStudy (anonymous):

25

OpenStudy (anonymous):

c@nap you to smart & Yesss really .

OpenStudy (dumbcow):

are you asked to solve for x? or just put it in completing the square form?

OpenStudy (anonymous):

im doing twilight and it asking What number must you add to complete the square? x2 + 4x = 7

OpenStudy (anonymous):

what's twilight?

OpenStudy (dumbcow):

ok then yes the answer is always the x coefficient divided by 2 squared ->(4/2)^2 = 4

OpenStudy (anonymous):

there classes . likee school classes you just retaking the class ovr because they worth a credit

OpenStudy (anonymous):

tha answer is 4

OpenStudy (anonymous):

yes and do you know why?

OpenStudy (anonymous):

nooo can you show how you did it

OpenStudy (anonymous):

okay i'll go step by step with you. do you have a similar problem we can work with?

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