共50条信息
直线\(y=-\dfrac{1}{2}x-1\)与反比例函数\(y=\dfrac{k}{x}\)的图像\((x < 0)\)交于点\(A\),与\(x\)轴相交于点\(B\),过点\(B\)作\(x\)轴垂线交双曲线于点\(C\),若\(AB=AC\),则\(k\)的值为
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