Math Definitions Flashcards
A number whose only factors are itself and 1
Prime Number
The distance of a number from zero; the positive value of a number
Absolute Value
A positive angle measuring less than 90 degrees.
Acute Angle
A triangle each of whose angles measures less than 90 degrees.
Acute Triangle
The number zero is called _________ because the sum of zero and any number is that number.
Additive identity
Two angles that share both a side and a vertex.
Adjacent angles
The union of two rays with a common endpoint, called the vertex.
Angle
A portion of the circumference of a circle
Arc
The number of square units that covers a shape or figure
Area
(a + b) + c = a + (b + c)
associative property of addition
(a x b) x c = a x (b x c)
associative property of multiplication
A number that represents the characteristics of a data set
average
A line that passes through a figure in such a way that the part of the figure on one side of the line is a mirror reflection of the part on the other side of the line
Axis of symmetry
The bottom of a plane figure or three-dimensional figure
Base
To divide into two congruent parts
Bisect
A type of data plot that displays the quartiles and range of a data set
Box and whisker plot
A system in which points on a plane are identified by an ordered pair of numbers, representing the distances to two or three perpendicular axes
Cartesian coordinates
An angle that has its vertex at the center of a circle
Central angle
A line segment that connects two points on a curve
Chord
The set of points in a plane that are a fixed distance from a given point, called the center
Circle
The distance around a circle
Circumference
A constant that multiplies a variable
coefficient
Points are _________ if they lie on the same line
collinear
