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?

Answer 1

A)0.8
B)2.5
C)-0.4
D)-5

Answer 2

lol diagram

Answer 3

????

Answer 4

They didn't provide one

Answer 5

@JulianoRossiel

Answer 6

so we will consider that it si like one in diagram ...now radius and tangent both are perpendicular to each other at point of tangency alwys

Answer 7

perpendicular line have product of slopes=-1