Respuesta :
Answer:
Step-by-step explanation:
y = -x²+8x-12
= -(x²-8x) - 12
= -(x²-8x+4²)+4²-12
= -(x-4)² + 4
vertex (4,-4)
axis of symmetry: x = 4
Answer:
Step-by-step explanation:
y = -x²+8x-12
= -(x²-8x) - 12
= -(x²-8x+4²)+4²-12
= -(x-4)² + 4
vertex (4,-4)
axis of symmetry: x = 4