If cartesian coordinates are used then the second number in an ordered pair is the y coordinate, also known as the ordinate. If polar coordinates are used then the second number is
http://wiki.answers.com/Q/The+second+number+in+a+n...

1. Look at the number pattern, and look for the pattern. For example, a simple number pattern would be "2,4,6,8 . . The next values would be 10, 12, and so on. 2. Come up with
http://www.ehow.com/how_8488079_orderedpairsnumb...

Two ordered pairs are said to be equal if and only if the first
http://www.chacha.com/question/whatisthesecond...

A. Source(s) The quadrants go counter clockwise.
http://answers.yahoo.com/question/index?qid=201206...
