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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.
an equation that states a rule for the relationship between certain quantities.
an equation that is true for every value of the variable.
multi-step equation
equations with more the one operation.
percent of change
when an increase or decrease is expressed as a percent.
an equation of the form a/b = c/d stating that two ratios are equivalent.
the ratio of two measurements having different units of measure.
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.