Răspunsuri

2014-09-08T12:17:13+03:00
Se noteaza cu a,b,c indicii ecuatiei, astfel: a=1: b=m; c=n
 x_{V} =- \frac{b}{2a} =- \frac{m}{2} =3=> m=-6
 y_{V} =- \frac{delta}{4a} = \frac{4n- m^{2} }{4}
Δ= m^{2} -4n
m=-6=>  \frac{4n-36}{4}=5
4n-36=20
4n=56
n=14