Question

What is a linear set of points with a unique starting point and extending infinitely in one direction ?

Answer 1

Answer:

Ray.

Step-by-step explanation:

The statement is the definition of a ray.

In geometry, a ray is half of a line, beacuse it begins at specific point and extends to the infinite, while a line extends from an infinite point to an another infinite point. So, basically, the difference is that a ray starts at a determined point, while a line doesn't.

Therefore, the answer is Ray.