Use the discriminant to determine the nature of the roots of x2 = 0. I need some help.
A. no real roots
B. one real root
C. two distinct real roots
D. three distinct real roots
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OpenStudy (anonymous):
is it x^2=0 ?
OpenStudy (anonymous):
Yes
OpenStudy (anonymous):
this has two equal roots.....0,0
OpenStudy (anonymous):
so the answer is c?
hartnn (hartnn):
do you know what discriminant is ?
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OpenStudy (anonymous):
no that's why im asking what the answer is so i can figure out why it's the answer
hartnn (hartnn):
Compare your quadratic equation \(x^2=0\)with
\(ax^2+bx+c=0\)
find \[a=...?\\b=...?\\c=...?\\\]
Then your discriminant is
\(D = b^2-4ac \)
OpenStudy (anonymous):
that's where it gets confusing idk how to figure out what the root would be
hartnn (hartnn):
First step is to find, a,b,c values.
can you do that ? or need help with that ?
OpenStudy (anonymous):
lol i don't even know how to do that. i suck at math
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hartnn (hartnn):
|dw:1394811298328:dw|
now can you tell me values of a,b,c ?