Unit 4 Vocab Flashcards
A consumption tax charged at the point of purchase for certain goods and services.
Sales Tax
A ratio that compares a number to 100. Percent means “per hundred.”
Percents
An equation you write to show that two ratios are equivalent
Proportion
A ratio of a number a to nonzero number b is the quotient when a is divided by b
Ratio
Describes how many units of the first type of quantity corresponds to one unit if the second type of quantity
Unit rate
The constant value of the ratio of two proportional quantities
Constant of proportionality
Having the same or a constant ratio or relation
Proportional
A reduction made from a regular price or list price
Discount
A number which scales, or multiples, some quantity
Scale factor
A number produced by evaluating a function using a given input. The range of the function
Output
A number on which a function operates. The domain of the function
Input
A mathematical sentence formed by setting two expressions equal
Equation
Mathematical phrase that conbines numbers and or variables using mathematical operations
Expression
