The Facts On File Algebra Handbook

unit A single whole quantity; the number one.

value The numerical quantity of a VARIABLEor FUNCTION.

variable Letter or symbol used to represent unknown numbers or quantities.

Some of the most common variables used in algebra are n, x,and y.

Other variables often used are a, b, c,and z.

See alsoSECTION IV CHARTS AND TABLES.

velocity The rate at which an object travels through space and time.

Venn diagramA chart used to graphically show the relationship between SETs.

GLOSSARY unit – Venn diagram

GLOSSARY unit – Venn diagram

B

A

E

C

D

Venn diagram

A B

A UB

Union