Question

Encontre o V( Xv,Yv)

a) Y= -x²+2x-1
B) y= x²-9

Answer 1

Xv= -b/2a
Yv= -Δ/4a

a) xv= 1
yv= 0
V(1,0)

b)xv= 0
yv =-9
V(0,-9)