Algebra Chapter 1 vocab

Accuracy

The degree which a measured value comes close to the desired value

Coefficient

The numerical factor of a term

Continuous function

A function that can be graphed with a line or smooth curve

Coordinate system

The grid formed by the intersection of two number lines

Dependent variable

The variable in a relation with a value that depends on the independent variable

Domain

The set of first numbers of the ordered pairs in a relation

End behavior

Describes how the values of a function behave at each end of the graph

Function

A relation in which each element of the domain is paired with exactly one element of range

Independent variable

The variable in a function with a value that is subject to choice

Intercept

Points where the graph intersects an axis

Like terms

Terms that contain the same variables, with the same exponent

Line symmetry

A graph possesses line symmetry if one half of the graph is a reflection of the other half across the line

Metric

A rule for assigning a number to some characteristic or attribute

Order of operations

The rule that helps assign what operation to perform first

Power

An expression in the form of x^n

Range

The difference between the greatest and the least data values

Relation

A set of ordered pairs

Relative maximum

A point on a graph is a maximum if no other nearby points have a greater y coordinate

Relative minimum

A point on a graph is a minimum if no other nearby points gave a lesser y coordinate

Term

A number, a variable, or a product or quotient of numbers and variables

Variables

Symbols used to represent unknown values