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# 8th Math Mod3

DefinitionTerm
an equation that states that two ratios are equal. proportion
a ratio that compares two quantities measured in different units like miles/hour. rate
a ratio that compares the amounts of change in a dependent variable to the amount of change in an independent variable. rate of change
a constant ratio of two variables related proportionally. Expressed with the variable k. constant of proportionality
the constant, k in direct and inverse variation equations. constant of variation
a linear relationship between two variables, x and y, that can be written in the form y=kx, where k is a nonzero constant. direct variation
a relationship between two quantities in which the ratio of one quantity to the other quantity is constant. proportional relationship
a measure of the steepness of a line on a graph; the rise divided by the run. slope
a value that does not change. constant
Created by: ashaver