Respuesta :
Answer:
y = 2 * (x +2)² - 5
Step-by-step explanation:
y = 2 * x² + 8x +3 v(h,k)
y = 2 (x-h)² + k = 2x² - 4xh + 2h² + k
8x = -4xh h = -2
2h² + k = 3
8 + k = 3 ∴ k = -5
Vertex form : y = 2 * (x +2)² - 5
Answer:
y = 2 * (x +2)² - 5
Step-by-step explanation:
y = 2 * x² + 8x +3 v(h,k)
y = 2 (x-h)² + k = 2x² - 4xh + 2h² + k
8x = -4xh h = -2
2h² + k = 3
8 + k = 3 ∴ k = -5
Vertex form : y = 2 * (x +2)² - 5
