Nexus .
Y-axis is the set of all points with x coordinate zero.
Y-axis is the set of all points with x coordinate zero.
what is The set of all points collinear to two points?
This is the definition of a circle.
Circle
Circle
The solution set is the set of all points representing solutions.
Space is a boundless, three dimensional set of all points. Collinear is a set of points that are all on the same line and is 3 or more points.
Sounds like an elliptical to me.
You're trying to describe an "ellipse".
The set of all the points is the plane itself.
The solution set is all points on the circle.