23 terms

variables

x, y, or any letter that can represent a number that changes

constant

a number that has a set value (it is not next to a variable)

coefficient

a number that is directly next to a variable

A number multiplied by a variable.

A number multiplied by a variable.

Distribution

when a number outside parentheses multiples with all the terms inside the parentheses

combining like terms

when you simplify an algebraic expression

X

inputs of an equation, domain, independent variable

Y

outputs of an equation, range, dependent variable

inequality

A mathematical sentence that contains less than, greater than, less than or equal to, greater than or equal to, or not equal

greater than

has an open circle

less than

has an open circle

greater than or equal to

a value that is "at least" as big as another value

has a closed circle

has a closed circle

less than or equal to

a value that is "at most" as big as another value

has a closed circle

has a closed circle

Independent Variable

the cause of a situation, a variable whose values are independent of changes in the values of other variables (X)

dependent variable

The outcome factor; the variable that may change in response to manipulations of the independent variable. (Y)

relation

Any set of ordered pairs. Has an Independent and Dependent Variable

Function

a relation in which X has only one Y value. Can be tested on the coordinate plane with the vertical line test

Ordered Pair

A pair of numbers that can be used to locate a point on a coordinate plane

linear function

A function whose graph is a straight line.

Y = MX + B

Y = MX + B

answers to a quadratic

solution, roots, x-intercepts, zeros

system of linear equations

two linear functions that can have one, infinite or no solution

radical

same as taking the square root

axis of symmetry

A line that divides a plane figure or a graph into two congruent reflected halves

vertex

maximum or minimum of a quadratic