Skip over navigation

Absolute Value

Terms

Introduction and Summary

Review of Absolute Value

Absolute Value  -  The absolute value of a number a, denoted |a|, is the positive distance between the number and zero on the number line. It is the value of the corresponding "unsigned" number -- that is, the number with the sign removed.
Boundary Point  -  A value of the variable that makes the equation true when an equal sign is substituted for an inequality sign (<, , >, or ). Also called a critical point.
Critical Point  -  A value of the variable that makes the equation true when an equal sign is substituted for an inequality sign (<, , >, or ). Also called a boundary point.

Follow Us