Question

A coordenada do vértice da função f(x) = x² - 4x + 4 é:

Answer 1

Resposta:

V(2, 0)

Explicação passo a passo:

$x_v=\frac{-b}{2a}\\\\ x_v=\frac{-(-4)}{2.1}\\\\x=\frac{4}{2} \\\\x_v=2\\\\y_v=2^2-4.2+4\\\\y_v=4-8+4\\\\y_v=0\\\\V(2,0)$