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# Math Vocab.

TermDefinition
Expression a number sentence using unknown variables
Order of Operations the rules to follow when more than one operation is used in an expression
Parenthesis symbols used in math that tells you to solve that part of the equation first
Proportion an equation that shows two ratios are equal or equilateral
Reasonable an answer that seems sensible as the solution to the problem
Simplifying an Expression using math properties to combine things that are alike
Constant a value that does not change
Equivalent Ratio ratios that name the same comparison
Rate a rate that compares two quantities measures in different units
Rate of Change a ratio that compares the amount of change in a dependent variable to the amount of change in an independent variable
Ratios a comparison of two quantities by division
Unit rates a rate in which the second quantity is the comparison is one unit
Constant of Proportionality a constant of two variables related proportionally
Constant of Variation the constant k in direct and inverse variation equations
Direct 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
Proportional Relationship a relationship between two quantites of the ratio of one quantity in which another quantity is constant
Slope a measure of the steepness of a line on a graph; the rise divided by the run
Created by: kthomas23