Algebra 1 EOC Test pt. 3

y-axis

the vertical axis on a cordinate grid

Quadrants

the four parts to coordinate grid

orgin

the point (0,0) on a coordinate grid

relation

a set of order pairs

function

a set ordered pairs where the x's do not repeat

domain

the x values to a set of order pair

x-axis

the horizontal axis on a coordinate grid

range

the y values to set of order pairs

descrete

individuals points that would not be connected when graphed because not all rationals values define the domain (number of buses and students)

continuous

an infinite number of points that are connected when graphed because all real values can be define in the domain (hours worked and hours pay)

order pair

a point in the form of (x,y) or (x) (x)

variable

a letter used to represent a quantity in algebra

vertical line test

a method used to determine if graphs is a function

correlartion

a trend for a set of data it can be positive negative constants or no correlation

independent variable

the x value of the function also called the domain

dependent variable

the y value of the function also called the range

The symbol f(x)

means y.

evaluate

to solve

commutative property

the order of the numbers changed

associative property

the groups change () change

distributive property

the numbers in sum or difference are both multiplied the same value

simplify

make the problem smaller by combining like terms

like terms

terms that have the same variable or same variable with the same exponents

ratio

comparison of two quantities

proportion

comparison of two ratios

inequality

an algebraic expression that uses the symbols