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Variables and Patterns

math vocab
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Variables
a symbol (like x or y) that is used in mathmatical or logical expresions to represent a variable quantity
y-axis
the vertical line on the gragh that shows one of the variables
x-axis
the horizontal line on the graph that shows one of the variables
coordinate graph
a grid of vertical and horizontal lines that show the relationship between two variables
discrete data
a variable that cannot be broken up into smaller increments
continuous data
a variable that can be broken up into smaller increments
scale
pattern, make, regulate, set, measure, or estimate according to some rate or standard
coordinate pair
a pair of numbers used to plot dat. Always in perentaces with a comma. x axis first and y axis second
relationship
the way one variable affects another variable
dependent variable
the variable that goes on the y-axis because it depends on the other
independent variable
the variable that goes on the x-axis because it is the one that does not depend on the other
rule
summary of predictable relationship that tells how to find the value of a variable
equations
Two expressions shown to be = (3x -3= 2y -2)