y=-1/2x^2+x-1
=-1/2(x^2-2x)-1
=-1/2((x-1)^2-1)-1
=-1/2(x-1)^2+1/2-1
=-1/2(x-1)^2-1/2
よって(1,-1/2) x=1
Mathematics
Senior High
（2がわかりません答えは（1.-2/1） x=1です
2 次の2次関数のグラフをかけ。 また、その頂点と軸を求めよ。
(1)y=2x²-4x+2
(2) y
x+x-1
Answers
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉
