1.函数y=(a-3)x+b+2经过点(-1,2)和(0,0)求a .b及函数解析式2.已知正比例函数y与3x-1成反比例.且当x=-2时,y=-5、求y与x的函数解析式3.反比例函数图像经过P(2,-3) Q(2a+3,-2)求:(1) 反比例函数的
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![1.函数y=(a-3)x+b+2经过点(-1,2)和(0,0)求a .b及函数解析式2.已知正比例函数y与3x-1成反比例.且当x=-2时,y=-5、求y与x的函数解析式3.反比例函数图像经过P(2,-3) Q(2a+3,-2)求:(1) 反比例函数的](/uploads/image/z/4024091-11-1.jpg?t=1.%E5%87%BD%E6%95%B0y%3D%EF%BC%88a-3%29x%2Bb%2B2%E7%BB%8F%E8%BF%87%E7%82%B9%EF%BC%88-1%2C2%EF%BC%89%E5%92%8C%EF%BC%880%2C0%EF%BC%89%E6%B1%82a+.b%E5%8F%8A%E5%87%BD%E6%95%B0%E8%A7%A3%E6%9E%90%E5%BC%8F2.%E5%B7%B2%E7%9F%A5%E6%AD%A3%E6%AF%94%E4%BE%8B%E5%87%BD%E6%95%B0y%E4%B8%8E3x-1%E6%88%90%E5%8F%8D%E6%AF%94%E4%BE%8B.%E4%B8%94%E5%BD%93x%3D-2%E6%97%B6%2Cy%3D-5%E3%80%81%E6%B1%82y%E4%B8%8Ex%E7%9A%84%E5%87%BD%E6%95%B0%E8%A7%A3%E6%9E%90%E5%BC%8F3.%E5%8F%8D%E6%AF%94%E4%BE%8B%E5%87%BD%E6%95%B0%E5%9B%BE%E5%83%8F%E7%BB%8F%E8%BF%87P%282%2C-3%29+Q%EF%BC%882a%2B3%2C-2%29%E6%B1%82%EF%BC%9A%EF%BC%881%EF%BC%89+%E5%8F%8D%E6%AF%94%E4%BE%8B%E5%87%BD%E6%95%B0%E7%9A%84)
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