已知函数y=ax²+bx的图像经过M(2,0)和N(1,-6)两点,则a___b___
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已知函数y=ax²+bx的图像经过M(2,0)和N(1,-6)两点,则a___b___
已知函数y=ax²+bx的图像经过M(2,0)和N(1,-6)两点,则a___b___
已知函数y=ax²+bx的图像经过M(2,0)和N(1,-6)两点,则a___b___
a=6 b=-12