/ ecuatia2 - 1 Fie a=#a, b=#b şi c=#c. 

Ecuaţia de gradul al II-lea cu coeficienţii a, b şi c este: 

#a·x2+#b·x+#c=0.

]]> 1.0000000 0.3333333 0 true Your answer is correct.

]]> Your answer is partially correct.

]]> Your answer is incorrect.

]]> Discriminantul Δ al ecuaţiei este:

]]> #delta Suma rădăcinilor S=x1+x2 este:

]]> #S Produsul rădăcinilor P=x1 x2 este:

]]> #P Expresia x12+x22 este:

]]> #S1 Expresia x13+x23 este:

]]> #S2 Expresia «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mfrac»«mn»1«/mn»«msub»«mi mathvariant=¨normal¨»x«/mi»«mn»1«/mn»«/msub»«/mfrac»«mo»+«/mo»«mfrac»«mn»1«/mn»«msub»«mi mathvariant=¨normal¨»x«/mi»«mn»2«/mn»«/msub»«/mfrac»«/math» este:

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