1.Select the Curve Modeling tab from the top Ribbon Bar.

2.Select the Curve Modeling Ribbon Bar:

3.Select Point .

4.Place the point at the Origin by moving the mouse cursor over to origin and with a Left Mouse Button Click or by entering 0,0 in the command bar .

5.As you move the mouse on the viewport, the co-ordinate value at the mouse location is displayed under the status bar.
 
Create additional points by repeating the Create Point command at the following coordinate locations.
 
2.5,0
5.0,0
7.0,0
 
The created points are as shown below.