正比例函數(shù)y=kx,∵k<0,
∴圖象依次經(jīng)過第二、四象限,
由函數(shù)的圖象性質(zhì)得:函數(shù)值隨自變量的增大而減小.
故答案為:二、四,減?。?div style="margin-top:20px">
正比例函數(shù)y=kx(k為常數(shù),k<0)的圖象依次經(jīng)過第_象限,函數(shù)值隨自變量的增大而_.
正比例函數(shù)y=kx(k為常數(shù),k<0)的圖象依次經(jīng)過第______象限,函數(shù)值隨自變量的增大而______.
數(shù)學(xué)人氣:677 ℃時(shí)間:2020-01-27 04:11:49
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