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28 Cards in this Set
- Front
- Back
A mathmatical statement that two expressions are equal
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Equation
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A value of the variable that makes the equation true.
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Solution of an equation
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You can multiply both sides of an equation by the same number
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Multiplication Property of Equality
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An equation that is always true, no matter what value is substituted for the variable
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Identity
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an equation that states a rule for a relationship among quantities
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Formula
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An equation with two or more variables
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Literal Equation
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A comparison of two quantities by division
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Ratio
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A statement that two ratios are equivalent
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Proportion
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A ratio of two quantities with different units
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Rate
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A rate with a second quantity of 1 unit
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Unit Rate
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A process that uses rates to convert measurments from on unit to another
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Dimensional Analysis
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A rate in which two quantites are equal but use different units
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Conversion Factor
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In the proportion a/b=c/d, the products a x d = b x c.
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Cross products
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A ratio between two sets of measurments
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Scale
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Uses a scale to represent an object as smaller or larger than the actuaul object
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Scale Drawing
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Figures that have exactly the same shape but not necessarily the same size.
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Similar
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sides that have the same relative position
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Corresponding Sides
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Solving a proportion involving similar triangles to find a length that is not easily measured
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indirect measurement
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the multiplier in a dimension of a figure that is multiplied by the same number
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Scale Factor
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A ratio that compares a number to 100
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Percent
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Money paid to a person or a company for making a sale
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Commision
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The amount of money charged for borrowing money
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Interest
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The amount borrowed or invested
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Principal
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an amount of money added to a bill for service
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Tip
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a percent of an item's cost
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Sales Tax
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an increase or decrease given as a percent of the original amount
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Percent of Change
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an amount by which an original price is reduced
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discount
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an amount by which a wholesale cost is increased
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markup
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