Question

Baskara Y= x*2 +2x +1

Answer 1

a = 1

b = 2

c = 1

Fórmula de Bhaskara:

Δ = b² - 4 . a . c

x = -b ± √Δ / 2 . a

Substituindo:

Δ = b² - 4 . a . c

Δ = 2² - 4 . 1 . 1

Δ = 4 - 4 = 0

x = -b ± √Δ / 2 . a

x = -2 ± √0 / 2 . 1

x = -2 ± 0 / 2

x' = -2 + 0 / 2 = -1

x'' = -2 - 0 / 2 = -1