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26 Cards in this Set
- Front
- Back
Formula
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A rule for the relationship between certain quantities
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Solving an equation
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to find the value of the variable that makes the equation true
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Equivalent equations
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Have the same solution
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Multi step equation
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An equation requires more then one step to solve
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Consecutive integers
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are integers in counting order
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Number theory
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Is the study of numbers and the relationship between them
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Identities
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Equations are all true for all values of the variables
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Ratio
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Is a comparison of two numbers by division
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proportion
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a equation stating that two ratios are the equal
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Means
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they are the middle terms of the proportion
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extremes
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They are the first and last terms of the proportion
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Rate
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The ratio of two measurements having different units of measure
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Unit rate
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A rate that tells how many of one item is being compared to 1 of another item
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Scale
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is used when making a model of something that is to large or to small to be convenient at actual use
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scale model
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is three-dimensional production of an item that has been reduced or increased in size proportionally
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percent of change
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is the ratio of the change in an amount to the original amount expressed as a percent
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Percent of increase
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If the new number is reader then the original number, the percent of change is a percent of increase
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percent of decrease
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If the new number is less then the original number the percent of change is a percent of decrease
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Percentile
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Is a measure that if often used to report test data
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Literal equation
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A formula or equation that involves several variables
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dimensional analysis
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Is the process of carrying units throughout a computation
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unit analysis
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Is the process of carrying units throughout a computation
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weighted average
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A set of data is the sum of the product of the number of units and the value per unit divided by the sum of the number of units
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mixture problem
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Are problems in witch two or more parts are combined into a whole
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uniform motion problem
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Are problem in which an object moves at a certain speed or rate
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rate problems
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Are problems in which an object moves at a certain speed or rate
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