Definition of Constant of Proportionality
More about Constant of Proportionality
Example of Constant of Proportionality
Solved Example on Constant of Proportionality
Ethan pays $30 per day for his stay in a hotel. Identify the constant of proportionality that relates his rental charges (y) to the number of days (x) he stays in the hotel.
D. x and y
Correct Answer: C
Step 1: As the rental charges and the number of days vary directly, the equation is of the form y = kx, where k is the constant of proportionality.
Step 2: y = (30)x [Substitute k = 30.]
Step 3: y = 30x is the direct variation model that relates the rental charges to the number of days.
Step 4: Therefore, 30 is the constant of proportionality.
Related Terms for Constant of Proportionality