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Clearnote
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Senior High
Mathematics
高一数1で、(1)〜(4)の解き方教えてく...
Mathematics
Senior High
almost 2 yearsago
名無し
高一数1で、(1)〜(4)の解き方教えてください🙏🏻🙏🏻
次の2次関数y=ax-p)2 +αの形に変形せよ。 (2)y=-3x2+6x+1 問10 (1) y=x2+4x-1 (3) y=2x2+6x+1 (4) y=1/2x2-3x+4
Answers
ささき
almost 2 yearsago
画像のように解いてください。
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BaSO4
almost 2 yearsago
x^2+4x=(x+2)^2-4
よって
(1)はy=(x+2)^2-4-1=(x+2)^2-5
以降同様
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