Respuesta :

In Mathematics, x and y are examples of variables.
You can use any letter as a variable but, make sure to include a let statement when using variables.
A let statement essentially tells what the variable represents.
Ex: let = houses sold

Hope this helps!
-Benjamin

 

1.

(x,y)---Ordered Pair of a point in two dimensional plane

x=Abscissae

y=Ordinate

2.

xy--Two Dimensional Plane

or xy-Plane

3.

xy----Monomial , that is a single term having two variable x and y.