
Jordan K. answered 08/31/15
Tutor
4.9
(79)
Nationally Certified Math Teacher (grades 6 through 12)
Hi Jennifer,
This z line will be a graph of a line that splits the first and third quadrants of the xy coordinate plane in half.
All points along this line (y = x) will have equal values for both the x and y coordinates.
You can click the link below to view this graph:
https://dl.dropbox.com/s/8o2j2zl9gz97kv1/Z_Line_Graph.png?raw=1
Thanks for submitting this question and glad to help.
God bless, Jordan.