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Chapter 2 Vocab

Across
In the ratio a/b = c/d, a and d are the
An equation in the form a/b=c/d, where b, d is not equal to 0, stating that two equations are equivalent.
A ratio of two quantities, the second of which is a unit.
The ratio of an a mount of increase to the previous amount, expressed as a percent.
A comparison of two numbers by division.
The ratio of two measurements having different units of measure
Expressions that denote the same value for all values of the variables.
A mathematical sentence that contains an equals sign.
When an increase or decrease is expressed as a percent.
Equations with more than one operations.
Down
A model used to represent an object that is too large or too small to be built at actual size.
A formula or equation with several equations.
The ratio of an amount of decrease to the previous amount, expressed as a percent.
The process of carrying units throughout a computation.
An equation that states a rule for the relationship between certain quantities.
An equation that is true for every value of the variable.
The process of including units of measurements when computing.
The relationship between the measurements on a drawing or model and the measurements of the real object.
Symbols used to represent unknown numbers or values.
The sum of numbers in a set of data divided by the number of items in the data set.