Question

Construa o gráfico y = x² + 2x + 2

Answer 1

y = x² + 2x + 2

a = 1  b = 2  c = 2

Δ = 2² - 4 . 1 . 2

Δ = 4 - 8

Δ = -4 sem raizes reais

Xv = - 2 / 2.1

Xv = - 2 /2

XV = -1

Yv = - ( - 4)/4.1

Yv = 4/4

YV = 1