Percents & Money
This is the amount of decrease in a price.
What is markdown/discount?
A comparison of two quantities by division.
What is a ratio?
A mathematical sentence showing two expressions are equal.
What is an equation?
Two angles whose measures add to 180°.
What are supplementary angles?
The average of a data set.
What is mean?
A percent added to the price of an item for service.
What is gratuity (tip)?
A relationship where two quantities have a constant ratio.
What is a proportional relationship?
A mathematical sentence that shows the relationship between quantities that are not equivalent
What is an inequality?
The distance around a circle.
What is circumference?
The middle value in an ordered data set.
What is median?
A percent change describing an increase.
What is percent increase?
An equation stating two ratios are equal.
What is a proportion?
A rule describing the order to evaluate expressions.
What is order of operations?
Two angles whose measures add to 90 degrees
What is complementary angles?
The likelihood of an event occurring (0 to 1).
What is probability?
The amount an item is sold for after markup is added.
What is retail price?
A constant ratio between two proportional variables.
What is the constant of proportionality?
A number multiplied by a variable.
What is a coefficient?
The intersection of a three-dimensional figure and a plane
What is a cross-section?
All possible outcomes of an experiment.
What is sample space?
The original amount of money invested or borrowed.
What is principal?
The property that states that two or more numbers can be added in any order without changing the sum
What is the Commutative Property of Addition?
The ratio of the circumference of a circle to the length of its diameter;
pi
The difference between the upper and lower quartiles in a box-and-whisker plot
What is interquartile range?