Mathematics
Senior High
二次関数のグラフの頂点の座標を求める問題です!!
解答合ってるかわかる方は教えて頂きたいです🙇♀️
よろしくお願いします!!
(1) y=x²+x+1_ (*_*) - **
y=(x+1)-1+1-
S+P+ = (x+))² _º(= − >)
(-1,0)
(2) y = x² + 3x +3
y=(x+2/12/04/24+3.
27 4
+
12
12
= (x + ²)²³ - 12/2
=(x+2/-/
(-2-4)
(3) y=x²-x-2
4
(/,-1)
y=(x-12/27-11-2
=(x-1/22_9
<5-= x (11)
{+x51 - 5xε- = (S1)
8
4
4
/2
4
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