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# Algebra 1-Chapter 3

### Algebra 1-Chapter 3 Vocabulary

Two operations that undo each other. inverse operations
Equations that have the same solution. equivalent equations
An equation that is true for all values of the variable. identity
A comparison of two numbers using division ratio
an equation that states that two ratios are Equivalent:a/b=c/d where b doesn't equal 0 and and d doesn't equal 0. proportion
in a proportion, a cross product is the Product of the numerator of one ratio and the denominator of the other ratio. cross product
A two dimensional drawing of an object in which the dimensions of the drawing are in proportion to the dimensions of the object. scale drawing
A three dimensional model of an object in which the dimensions of the model are in proportion to the dimensions of the object. scale model
A ratio that relates the dimensions of a scale drawing or scale model and the actual dimensions. scale
An equation with two or more variables. literal equation
The inverse of a number. reciprocal
Terms with the same variable parts. like terms
A property that can be used to find the product of a number and a sum or difference. distributive property
An equation which is false for every value of the variable. contradiction
A ratio that compares a number to 100. percent
An equation that relates two or more quantities. formula
Created by: aelohaus