Question

Radius of circle O has a slope of 2.5. What is the slope of the line tangent to circle O at point A?


2.5
-0.4
-5

Answer 1

a radius and tangent are perpendicular to each other at the point of contact



that should be enough information to help you answer the question

Answer 2

can't wait to see the answer to this

Answer 3

how can the radius of a circle have as slope?

Answer 4

lol i see, never thought of it that way
they are perpendicular, take the "negative reciprocal"