Question

y=-2x²+8×-6 qual valor​

Answer 1

Resposta:

Explicação passo-a-passo:

-b ±√b²-4.a.c/2.a

-8 ±√8²-4.(-2).(-6)/2.(-2)

-8 ±√64-48/-4

-8 ±√16/-4

-8 ±4/-4

2±(-1)

y'=2+(-1)=1

y"=2-(-1)=3