Topic 5-1 and 5-2 flashcard

Front

What is a relationship in which for every x units of one quantity there are y units of another quantity?

Back

Ratio

Front

What is the distance around a circle called?

Back

Circumference

Front

What are the quantities x and y in a ratio referred to as?

Back

Terms

Front

What are ratios that express the same relationship called?

Back

Equivalent Ratios

Front

What is a table that displays the constant relationship between two values?

Back

Ratio Table

Front

What is the mathematical constant approximately equal to 3.14, often used in calculations involving circles?

Back

Pi

Front

What is the longest distance across a circle through its center called?

Back

Diameter

Front

What do you call a ratio that compares two quantities of different kinds?

Back

Rate

Front

What is the term for a ratio that compares the same kind of quantities?

Back

Proportion

Front

What is the formula for calculating the circumference of a circle?

Back

C = 2πr (where r is the radius)