Mathematics
Senior High
解答お願いします🙇♀️
2 】次の 2 次不等式・連立 2 次不等式を解け。
*ネ[ ] 内の番号は e ラーニングに対応しています。参照してください。
(1) C+5)ー①<く0 [0156 (2) 3x2+5x+2=0 【O11571
(3) 2-3z-1>0 [O1158l (4) x2+ex+9>0 【O1160]
(5) x*?ー4z+5<0 [ol1e1l (6) x?=-16一ex 【[QO11621
2 < 3 8 x(x-3)>0
(7) 2+9ミ12x [On16紀 (9) aeeel
1) (2)
(の 6 (の
(5) (6)
(?) (8)
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