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Radius  of circle O has a slope of 2.5. What is the slope of the tangent line to circle O through point A? 0.8 2.5 -0.4 -5
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Radius  of circle O has a slope of 2.5. What is the slope of the tangent line to circle O through point A?

0.8


2.5


-0.4


-5

User Mpospelov
by
9.4k points

1 Answer

3 votes
The tangent line is perpendicular to the radius, so will have slope
.. -1/2.5 = -0.4 . . . . . . corresponding to the 3rd selection

User RTA
by
8.4k points
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