Algebra I Vocabulary Chapter 2
Equations that have the same solution(s) are called
Equivalent equations
When solving an equation you must get the variable with a coefficient of 1 alone on one side of the equation. This is known as
Isolating the variable
Operations that undo each other are called
Inverse operations
Equations that contain more than one variable are called
Literal equations
An equation that states a relationship among quantities is called
formula
A comparison of two numbers by division is known as a
ratio
A ratio that compares quantities measured in different units is called a
rate
A rate with a denominator of 1 unit is called a
Unit rate
A ratio of two equivalent measures in different units is called a
Conversion factor
The process of including the units for each quantity in the calculations is known as
Unit analysis
An equation stating that two ratios are equal is called a
proportion
In the proportion a/b = c/d, the products ac and bd are called
Cross products
Figures with the same shape but not necessarily the same size are called
Similar figures
A drawing that is similar to an actual object or place is called a
Scale drawing
The ratio of lengths in a scale drawing to the actual length is referred to as the
scale
The word that means “divided by 100” is
Percent