Line

Definition

In mathematics, a line is an infinitely long and straight path with no thickness.

Analogy

Imagine a ruler or a piece of string stretched out to infinity. That's similar to what we call a line in math - it goes on forever in both directions without bending or curving.

Related terms

Slope: A measure of how steep or slanted a line is.

Intercept: The point where a line crosses the x-axis or y-axis.

Parallel Lines: Lines that never intersect and have the same slope.

"Line" appears in:

Subjects (2)

Practice Questions (1)

What is the volume of the solid obtained by rotating the region bounded by the curve y = √x, the line y = 1, and the lines x = 1 and x = 4 around the line y = 1?

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About Fiveable Blog Careers Code of Conduct Terms of Use Privacy Policy CCPA Privacy Policy

Resources

Cram Mode AP Score Calculators Study Guides Practice Quizzes Glossary Cram Events Merch Shop Crisis Text Line Help Center

AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.