calculate the dicriminat and use it to determine how many real number roots

Algebra
Tutor: None Selected Time limit: 1 Day

3x^2-6x+4=0

three real numbers roots

two real number roots

one real number roots

no real number roots

Mar 10th, 2015

Answer:

here the discriminant is:

9 - 12 = -3 <0

so we have no real number roots

then the fourth option

Mar 10th, 2015

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Mar 10th, 2015
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Mar 10th, 2015
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