If the slope of a tangent line at a point is $m$, then the slope of the normal line at that point is $-k$ where $k$ is the reciprocal of $m$. What is the slope of the normal line when the tangent line has slope -0.500 ?

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The Answer of If the slope of a tangent line at a point is $m$, then the slope of the normal line at that point is $-k$ where $k$ is the reciprocal of $m$. What is the slope of the normal line when the tangent line has slope -0.500 ?

If the Slope of a Tangent Line at a Point mmm

If the Slope of a Tangent Line at a Point $m$