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### A Glossary of Mathematical Terms - B

#### Bar graph

It is a display of information using rectangles in horizontal or vertical displays. It is a symbolic representation of discrete data.

#### Base

Used in geometry in various circustances. In an isosceles triangle it is the "unequal" side. In a trapezoid it is used for each of the two parallel sides. In solid geometry it is used, for example, for cones, cylindres, pyramids.

#### Binomial

A polynomial consisting of two terms.

#### Bisector

See angle bisector.

#### Bisector of a segment

A point that divides the segment into 2 congruent segments.

#### Box-and-wiskers plot

A representation that makes use of the quartiles and the median in the representation of data.

#### Braces { } (Curly brackets)

Simbols used, for example,  as set markers and in algebraic expressions.

#### Brackets [ ] (Square brackets)

Simbols used, for example, in algebraic expressions.

#### Broken-line graph

A type of graph used in data representation where the data points are joined by line segments. Also Line graph.

first published on september 01 2003 - last updated on september 01 2003