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Math vocab Ch. 2

dimensional analysis the process of carrying units throughout a compution
equivalent equations equations that have the same solution
formula an equation that states a rule for the relationship between two quantities
identity an equation that is true for every value of the variable
multi step equation equations with more than one operation
percent of change when an increase or a decrease is expressed as a percent
proportion an equation of the form A over B equals C over D. It states that two ratios are equvalent
rate the ratio of 2 measurements having different units of measure
ratio a comparison of 2 numbers by division
scale model a model used to represent an object that is to large or to small to be built in actual size
solve an equation the process of finding all values of the variable that make the equation true
unit rate a ratio of 2 quantities and the 2nd of which is one unit
weighted Average the sum of the product of the number of units and the value per unit divided by the sum of the number of units represented by m
Created by: ChloeMJ