3.1.5 - Flashcard Review Proportional Relationships

Front

What is the constant of proportionality?

Back

Front

How do you find the constant of proportionality from a table of values?

Back

Divide the dependent variable (y) by the independent variable (x) for any pair of values.

Front

If a person walks at a speed of 3 feet per second, how long will it take to walk 24 feet?

Back

8 seconds.

Front

What is the formula to calculate time when distance and speed are known?

Back

Time = Distance ÷ Speed.

Front

What does a proportional relationship look like on a graph?

Back

A straight line that passes through the origin (0,0).

Front

What is the equation of a proportional relationship?

Back

Front

If a Slurpee costs $0.25 per ounce, how much would 8 ounces cost?

Back

$2.00.

Front

What is the definition of a proportional relationship?

Back

A relationship where two quantities maintain a constant ratio.

Front

How can you represent a proportional relationship using a table?

Back

A table showing pairs of values where the ratio of y to x is constant.

Front

What is the significance of the slope in a graph of a proportional relationship?

Back

The slope represents the constant of proportionality.