反比例函數(shù)y=k/x(k為常數(shù)項(xiàng),k不等于0)的圖像經(jīng)過(guò)點(diǎn)A(2,3)判斷點(diǎn)B(-1,6)C(3,2)是否在這個(gè)函數(shù)圖上
反比例函數(shù)y=k/x(k為常數(shù)項(xiàng),k不等于0)的圖像經(jīng)過(guò)點(diǎn)A(2,3)判斷點(diǎn)B(-1,6)C(3,2)是否在這個(gè)函數(shù)圖上
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優(yōu)質(zhì)解答
帶入A(2,3)
k/2=3;
k=6;
∴y=6/x;
x=-1;y=-6;所以B不在上面;
x=3;y=2;所以C在函數(shù)圖像上面
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