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28 Cards in this Set

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