Term | Definition |
y-axis | the vertical axis on a coordinate grid |
quadrants | the four parts to a quadrant grid |
origin | the point (0,0) on a quadrant grid |
relation | a set of ordered pairs |
function | a set of ordered pairs when the x's do not repeat |
domain | the x values to a set of ordered pairs |
x-axis | the horizontal axis on a coordinate grid |
range | the y values to a set of ordered pairs |
discrete | individual points that would not be connected when graphed because not all rational values define the domain. |
continuous | an infinite number of points that are connected when graphed because all real values can be defined in the domain |
ordered pairs | a point in the form of (x,y) or (x,f(x) |
variable | a letter used to represent a quantity in Algebra |
vertical line test | a method used to determine if the graph is a function |
correlation | the trend for a set of data. it can be positive, negative, constant, 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 change |
associate property | the groups change (parenthesis change) |
distributive property | the numbers in the sum or difference are both multiplied by 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 |
proportion | comparison of 2 ratios |
inequality | an algebraic expression that uses the symbols <,> |
ratio | comparison of 2 quantities |