Term | Definition |
Y- axis | the vertical axis on a coordinate grid |
Quadrants | the four parts to a coordinate grid |
Origin | the point (0,0) on a coordinate grid. |
Relation | A set of ordered pairs. |
Function | A set of ordered pairs where 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. (number of buses and students) |
Continuous | An infinite number of points that are connected when graphed because all real values can be defined in the domain. (hours worked and pay) |
Ordered Pair | 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 a 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 |
associative property | the groups change (parenthesis change) |
distributive property | The numbers in a 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 |
ratio | comparison of two quantities |
proportion | comparison of two ratios |
inequality | an algebraic expression that uses the symbols <,>. |