Question

What is the first number of an ordered pair called and what is the last number of an ordered pair called?

Answer 1

Answer: X coordinate

Step-by-step explanation: You have a graph an on the left is the X coordinate and on the right is called the Y coordinate.

Answer 2

abscissa and ordinate

Explanation:

The first number of an ordered pair will represent the x-axis value.

What this is called is the abscissa

The second number of an ordered pair will represent the y-axis value

What this is called is the ordinate