algebra 2 final- vocab

A ratio that determines the steepness & direction of a line

Slope

The set of all output (y) values of a function

Range

A 4th degree polynomial function

Quartic Polynomial

A pairing of an input (x) with an output (y)

Relation

A relation where each input is paired with exactly one output

Function

The set of all input (x) values of a function

Domain

A function that when graphed forms a line

Linear Function

Two lines in the same plane that never intersect

Parallel Lines

The Cartesian Coordinate System is named for

Rene Descartes

The slope-intercept form of a line

y = mx + b

The standard form of a quadratic

y = ax² + bx + c

Test used to determine if a graph is a function

Vertical Line Test

On a scatter plot, a correlation that “as x increases, y decreases”

Negative Correlation

A point outside of the main cluster on a scatter plot

Outlier

Function made up of multiple equations for different domains

Piecewise Function

Another name for the solution area in linear programming

Feasible Region

System that has no solutions

Inconsistent System

The graph of a quadratic function

Parabola

An imaginary line a graph approaches but never crosses

Asymptote

Reflections, shifts, stretches, etc.

Transformations

An “extra” solution that doesn’t satisfy the equation

Extraneous Solution

A number with both a real and imaginary part

Complex Number

Used to determine type of solutions for a quadratic

Discriminant

Graph of a “simple rational function”

Hyperbola

Highest degree in a polynomial

Degree of Polynomial

Degree 0

Constant

Degree 1

Linear

Degree 2

Quadratic

Degree 3

Cubic

Degree 4

Quartic

Degree 5

Quintic

Degree 6

Sextic

Degree 7

Septic

Degree 8

Octic

Degree 9

Nonic

Degree 10

Decic