Question

Baskara de y²-17y+16=0

Answer 1

$b^{2}$ -4.a.c
a=y,b=17y e c=16
Δ=17 ao quadrado-4.y.16
Δ=289-64y
Δ=225y

Answer 2

y²-17x+16=0  ∆=b²-4.a.c ∆=-17²-4.1.16 ∆=289-64 ∆=225 x'= 17+15/2=32/2=16 x''=17-15/2=2/2=1