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 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 angels

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 number

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