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McDougal Littell Algebra 1 Ch. 3 Vocab
Covers all vocab from ch. 3
10
Mathematics
8th Grade
10/13/2010

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Term
Inverse Operations
Definition
Two operations that undo each other, such as addition and subtraction.
Term
Equivalent Equations
Definition
Equations that have the same solution(s).
Term
Identity
Definition
An equation that is true for all values of the variable.
Term
Ratio
Definition
The use of division to compare two quantities.
Term
Proportion
Definition
An equation that sets up two ratios that are equvialent.
Term
Cross Products
Definition
The product of the numerator of one ratio and the denominator of the other ratio.
Term
Scale Drawing
Definition
A two-dimensional drawing of an object in which the deminsions of the drawing are in proportion to the deminsions of the object.
Term
Scale Model
Definition
A three-dimensional model of an object in which the dimensionals of the model are in proportion to the deminsions of the object.
Term
Scale
Definition
A relationship between the drawings or model's dimensions and drawings or model's dimensions and the actual dimensions;This should be written as scale measure to actual measure.
Term
Function Form
Definition
An equation in x and y written so the dependent variable "y" is isolated on one side of the equation.
EX) y=x+2
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