将y=2x2-4x+1写成y=a(x-h)2+k的形式是______

将y=2x2-4x+1写成y=a(x-h)2+k的形式是______.
2024-11-18 20:43:18
推荐回答(1个)
回答1:

y=2x2-4x+1,
=2(x2-2x+1)-2+1,
=2(x-1)2-1.
故答案为:y=2(x-1)2-1.