Math Final Terms

Absolute value function

Absolute value function

Has a V shaped graph

Coefficient

The numeric factor when a term has both numeral and a variable

Constant monomial

A number with no variable

Constant of variation

Equal to the ratio of each y coordinate to its corresponding x coordinate

Correlation coefficient

Measures the strength of the relationship between two variables

Cubic monomial

One term, highest degree of “3”

Dependent variable

“y”

Direct variation

Has a y-intercept of zero; passes through the origin

Domain

The set of all x values for a function

Elimination method

Method of finding the solution of a system of equations which reduces one variable to zero to find the other

Exponent

Can also be referred to as a “degree”

Function

The graph of a quadratic equation

Graphing method

A manner of finding the solution of system of equations by plotting points on the coordinate

Identity

“0” for addition; “1” for multiplication

Independent variable

“x”

Infinitely many solutions

The number of solutions for a system of linear equations if the equations represent the same line

Integers

The whole numbers and their opposites

Inverse operations

Example:multiplication and division

Irrational numbers

A number that cannot be written as a ratio of two whole numbers

Like terms

Terms with the same variable and exponent

Linear binomial

Two terms, highest degree of “1”

Linear function

Graph that passes the Vertical Line Test

No solution

The number of solutions for a system of linear equations if the graphs are parallel

One solution

The number of solutions for a system of linear equations if the graphs intersect

Opposite

Also known as an additive inverse

Parabola

Can be graph using slope-intercept form of an equation

Parallel lines

Have the same slope; never intersect

Parent function

The simplest form of a function; determines the shape of the graph

Perpendicular lines

Have slopes that are opposite reciprocals; intersect to form right angles

Proportion

Ratio = Ratio

Quadratic function

Has a U-shaped graph

Quadratic polynomial

More than three terms; highest degree of “2”

Range

The set of all y values for a function

Ratio

A comparison of two numbers by division

Rational numbers

A number that can be written as the ratio of two whole numbers

Real numbers

Includes all integers

Reciprocal

Also known as a multiplicative inverse

Reflection

A flip in the graph of a parent function

Scatterplot

Graph that relates two sets of data by plotting them as ordered pairs

Slope

The ratio of vertical change to horizontal change between two points

Slope-intercept form

y=mx+b

Solution of a system of equations

The point at which two lines intersect

Standard form

Ax + By = C

Substitution method

Method of finding the solution of a system of equations which solves for one variable to zero to find the other

Translation

A shift in the graph of a parent function

Trend line

Should pass as closely as possible through the middle of a scatterplot

Vertex

The highest or lowest point of the graph of a quadratic equation

X-intercept

The point on the graph of a line at which “y” equals zero

Y-intercept

The point on the graph of a line at which “x” equals zero

Zeros (of a function)

The x-intercepts of the graph of a function