### Home > CALC > Chapter Ch9 > Lesson 9.4.1 > Problem 9-115

9-115.

Graph each point and draw a segment connecting the point to the origin. Create a right triangle to determine the length and direction of the segment.

Recall that each point can be written four ways: (+, +), (+, –), (–, –), and (–, +)

It the radius is 0, does it matter what the angle is?