关于二次函数y=x^2-(k-1)-4(k+5) OA:OB=1:4 如图 就K=多少要过程 啊为什么k+5=(k-1)^2/9
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![关于二次函数y=x^2-(k-1)-4(k+5) OA:OB=1:4 如图 就K=多少要过程 啊为什么k+5=(k-1)^2/9](/uploads/image/z/3796452-36-2.jpg?t=%E5%85%B3%E4%BA%8E%E4%BA%8C%E6%AC%A1%E5%87%BD%E6%95%B0y%3Dx%5E2-%28k-1%29-4%28k%2B5%29+++OA%3AOB%3D1%3A4++%E5%A6%82%E5%9B%BE++%E5%B0%B1K%3D%E5%A4%9A%E5%B0%91%E8%A6%81%E8%BF%87%E7%A8%8B+++%E5%95%8A%E4%B8%BA%E4%BB%80%E4%B9%88k%2B5%3D%28k-1%29%5E2%2F9)
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