Examine the picture below.


a) Which lines pass through the origin?

Answer: The lines and pass through the origin.

b) With which lines does the line [[$ p $]] have a common point of intersection?

Answer: The line[[$ p $]] has a common point of intersection with lines , and .

c) If all lines were continued, with which lines does line p have a common point of intersection?

Answer: The line [[$ p $]] would have a common intersection point with .