Question

which best describes the dimensions of a line?
a line has zero dimensions because it represents a location on the coordinate plane.
a line has one dimension because it is made up of all points that extend infinitely in either direction
a line has two dimensions because it is made up of three noncollinear points.
a line has multiple dimensions depending on how many labeled points it contains.

Explanation:

• Analyze Option A: A point (not a line) has zero dimensions as it represents a location. So A is incorrect.
• Analyze Option B: A line is defined as a set of points extending infinitely in one direction (it has length but no width or height), so it has one dimension. This matches the definition of a line.
• Analyze Option C: A plane (not a line) is related to three non - collinear points, and a line has only one dimension, not two. So C is incorrect.
• Analyze Option D: The dimension of a line is a fundamental property (one - dimensional) and does not depend on the number of labeled points. So D is incorrect.

Answer:

B. A line has one dimension because it is made up of all points that extend infinitely in either direction