Question

Ajutațima va rog cu matematica asta......​

Answer 1

V(-b/2a, -Δ/4a)

a=-1,  b=6,  c=-5

=>-b/2a=-6/2*(-1)=-6/-2=3

-b/2a=3

Δ=b^2-4ac

Δ=6^2-4*(-1)*(-5)

Δ=36-20

Δ=16

=>-Δ/4a=-16/4*(-1)=-16/-4=4

-Δ/4a=4

V(3, 4)