Mathematics
Senior High
Solved
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次の2次関数のグラフと軸の共有点のx座標を求めなさい。
(3)
y=x2-3x+4
(3)の答え
5±√7
x =
4
5+ 57
x=
2
5+57
x=
51 57
x=
4
共有点はない
(4) y=-2x2-5.x +4
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