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Mathematics 20 Online
OpenStudy (anonymous):

What value of b makes the polynomial below a perfect square? x2 + bx + 36 b = A. 6 B. 12 C. 18 D. 3

OpenStudy (lgbasallote):

what is the square root of x^2?

OpenStudy (anonymous):

2

OpenStudy (lgbasallote):

square root..not exponent...\[\sqrt x^2\]

OpenStudy (anonymous):

is the answer 6

OpenStudy (lgbasallote):

no

OpenStudy (anonymous):

b=0!!!!!!!!!

OpenStudy (anonymous):

thats wrong

OpenStudy (anonymous):

sqrt of x^2 = x e^(i pi (1/2-(arg(x))/pi)) Or x if x is positive.

OpenStudy (anonymous):

why????ok.take b=144

OpenStudy (anonymous):

A. 6 B. 12 C. 18 D. 3

OpenStudy (lgbasallote):

just take the square root of 36 then multiply it by 2

OpenStudy (anonymous):

b

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