Warm-Up 9, Due Monday, March 29, before class.

Please answer each question in three or more sentences. It is OK to answer 'I don't know' - but try and state why you are confused! No late Warm Ups are accepted for any reason, and only those submitted electronically through this web page (or by email, if the web page has technical problems) are considered.

Your Name:

Question 1

Is the object to the right a knot or a link? Explain.

Question 2

Count the number of crossings in the object (knot or link) above. Count also the number of crossings for each of the knots below.

Question 3

Which one of these three knots is the figure-eight knot?