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smarty
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Describe the nature of the roots of the equation 2x^2 + 3x = –3.
 2 years ago
 2 years ago
smarty Group Title
Describe the nature of the roots of the equation 2x^2 + 3x = –3.
 2 years ago
 2 years ago

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Nancy_Lam Group TitleBest ResponseYou've already chosen the best response.1
\[\frac{b \pm \sqrt{b^24ac}}{2a}\] a=2 b=3 c=3 subtitution and solve
 2 years ago

sritama Group TitleBest ResponseYou've already chosen the best response.1
imaginary numbers
 2 years ago

smarty Group TitleBest ResponseYou've already chosen the best response.0
one real root two real roots two imaginary roots cannot be determined
 2 years ago

smarty Group TitleBest ResponseYou've already chosen the best response.0
So C? two imaginary roots?
 2 years ago

smarty Group TitleBest ResponseYou've already chosen the best response.0
what about: 7x^2 = 4x + 1.
 2 years ago

Nancy_Lam Group TitleBest ResponseYou've already chosen the best response.1
two imaginary roots
 2 years ago

smarty Group TitleBest ResponseYou've already chosen the best response.0
How can you tell?
 2 years ago

smarty Group TitleBest ResponseYou've already chosen the best response.0
For ex: x^2 – 4x + 4 = 0. how would you tell for that one?
 2 years ago

sritama Group TitleBest ResponseYou've already chosen the best response.1
for the 2nd equation it is b
 2 years ago

sritama Group TitleBest ResponseYou've already chosen the best response.1
7x^2 = 4x + 1 , i mean
 2 years ago

smarty Group TitleBest ResponseYou've already chosen the best response.0
haha alright what about : x^2 – 4x + 4 = 0
 2 years ago

sritama Group TitleBest ResponseYou've already chosen the best response.1
two real roots,and they are same
 2 years ago

Nancy_Lam Group TitleBest ResponseYou've already chosen the best response.1
x^2 – 4x + 4 = 0 (x2)^2
 2 years ago

sritama Group TitleBest ResponseYou've already chosen the best response.1
all you have to get from the value of \[\sqrt{b^24ac}\]
 2 years ago

smarty Group TitleBest ResponseYou've already chosen the best response.0
Ohok. thanks!
 2 years ago

smarty Group TitleBest ResponseYou've already chosen the best response.0
So the root of hte discriminant.
 2 years ago

sritama Group TitleBest ResponseYou've already chosen the best response.1
if the value is negatives, roots are imaginary if positive . roots are real if 0,roots are real and same
 2 years ago
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