Its vertices.
Plotting points. Graphing lines, line segments, rays, etc.
Graphing involves plotting points or shapes on a coordinate plane, representing various mathematical relationships. Graphing a line means drawing an infinite straight path extending in both directions, defined by a linear equation. In contrast, graphing a line segment involves drawing a finite portion of a line, characterized by two endpoints, and represents only the points between those endpoints. Thus, while both involve linear relationships, the scope and representation differ significantly.
Sphere?
False ( apex )
A graph with points
It is important for beginners because the coordinates of the graphing points are measured from the origin. More expert users don't need to do so.
Its name shall be called "circle".
The functions are periodic and so, given any value (within the range) the function can take the value several times, Graphing the function can help you determine secondary points at which the function takes a given value.
Truthfully the purpose of graphing a circle helps to show the points in a data set. If you're also going to shade, by graphing a circle you save time in functionality to figure out what and where your data sets will be.
Its vertices.
Plotting points. Graphing lines, line segments, rays, etc.
when graphing a line you simply plot the points based on the ordered pairs and connect the dots; there you have a line. An inequality graph refers to the shaded region of the coordinate plane that does not coincide with the line, hence the term, inequality.
A circle.
Sphere?
False ( apex )
The points of intersection are normally the solutions of the equations for x and y