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Mathematics 18 Online
OpenStudy (anonymous):

What is the nature of the roots of f(x) = x^2 + 4x + 16

OpenStudy (anonymous):

two distinct real roots or zeros one real double root or zero no real roots or zeros more than two distinct real roots

OpenStudy (anonymous):

ahh we meet again :DD

OpenStudy (anonymous):

Yea :p @sourwing

OpenStudy (anonymous):

find the determinant

OpenStudy (anonymous):

How?

OpenStudy (anonymous):

b^2 - 4ac

OpenStudy (anonymous):

Oh yeah i forgot about that hah

OpenStudy (anonymous):

-48

OpenStudy (anonymous):

remember that b^2 - 4ac is under a square root. So since it's a negative number and you can't take a square root of a negative number, there are no real solutions.

OpenStudy (anonymous):

so no real roots?? :)

OpenStudy (anonymous):

yea

OpenStudy (anonymous):

awesome thx :D

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