Mathematics
Senior High
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y=ax^2+bx+cを求めよと記載してるのですが、この回答で合ってますでしょうか?
3点(-5,0)(1,0), (0,5) を通る放物線の式を求め、y=ax^2+bx+cを求めよ
y =a (x+5) (x-1)
5=-5a
α = -1
y=(x+5)(x-1)
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