Respuesta :

apologiabiology
discriminant for ax^2+bx+c=0 is
b^2-4ac

when discriminat is
1. less than 0, there aer no real roots
2. equal to zero, there is 1 real root
3. more than 0, there is 2 real roots

6x^2=-8x-7
6x^2+8x+7=0

8^2-4(6)(7)=
64-168<0

0 real roots