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Clearnote
Q&A
Junior High
Mathematics
(2)なぜ間違えているのか教えてください!...
Mathematics
Junior High
over 2 yearsago
タダノオタクෆ.*・゚
(2)なぜ間違えているのか教えてください!!( ; ; )( ; ; )
D:4-4×1×3 = -8 <0 (2)7²-3x+420 a=1 b=-3C=4 9-4×1×4 9-16 -70 解なし 解し 全ての実数 ミオジャパン 012
Answers
なゆた
over 2 yearsago
y=0になるときの解がない
→すべての実数でx²−3x+4の値は0より大きくなる
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