TKA 8th grade algebra 1 - chapter 2 vocab

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equivalent equations
equations that have the same solution
identity
An equation that is true no matter what values are chosen
multi step equation
equations with more than one operation
percent of change
when an increase or decrease is expressed as a percent
proportion
an equation stating that two ratios are equal
rate
the ratio of 2 measurements having different units of measure
ratio
is a comparison of two numbers by division
scale model
a model used to represent an object that is too large or too small to ne built at actual size
solve an equation
the process of finding all values of the variable that makes the equation a true statement
unit rate
a ratio of 2 quantities, the second of which is one unit