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13 Cards in this Set
 Front
 Back
dimensional analysis

the process of carrying units throughout a computation.


equivalent equations

equations that have the same solution.


formula

an equation that states a rule for the relationship between certain quantities.


identity

an equation that is true for every value of the variable.


multistep equation

equations with more the one operation.


percent of change

when an increase or decrease is expressed as a percent.


proportion

an equation of the form a/b = c/d stating that two ratios are equivalent.


rate

the ratio of two measurements having different units of measure.


ratio

a comparison of two numbers by division.


scale model

a model used to represent an abject that is to large or too small to be built at actual size.


solve an equation

the process of finding all values of the variable that make the equation a true statement.


unit rate

a ratio of two quantities, the second 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.
