Question

qual a raiz da função 4x = (x - 4)² + y – x · (x – 2) ?
cálculo pfvvv

Answer 1

4x = (x - 4)² + y - x(x - 2)

4x - (x - 4)² + x(x - 2) = y

4x - (x - 4)² + x(x - 2) = 0

4x - x² + 8x - 16 + x² - 2x = 0

4x + 8x - 2x - 16 = 0

10x = 16

x = 16/10

x = 1,6

Resposta: c) 1,6