Mathematics
Senior High
Resolved
間違っているところがあれば教えて頂きたいです🙇♀️
次の2次方程式の解の種類を判別せよ。
(1)x+6x+36=0
D=6°-4.1.36
=
36-144
=
=108
(2)2x+4x-5=0
D=42-4.2・(-5)
=16+40
=56>0
(3)64x+16x+1=0
D=162-4.64.1
=256-256
=0
異なる2つの実数解をもつ
#
異なる2つの実数解をもつけ
重解をもつ
#
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ありがとうございます!!✨