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13 Cards in this Set
- Front
- Back
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dimensional analysis
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the process of carrying units throughout a computation.
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equivalent equations
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equations that have the same solution.
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formula
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an equation that states a rule for the relationship between certain quantities.
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identity
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an equation that is true for every value of the variable.
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multi-step equation
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equations with more the one operation.
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percent of change
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when an increase or decrease is expressed as a percent.
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proportion
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an equation of the form a/b = c/d stating that two ratios are equivalent.
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rate
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the ratio of two measurements having different units of measure.
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ratio
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a comparison of two numbers by division.
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scale model
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a model used to represent an abject that is to large or too small to be built at actual size.
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solve an equation
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the process of finding all values of the variable that make the equation a true statement.
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unit rate
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a ratio of two quantities, the second of which is one unit.
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weighted average
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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.
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