COP in Equations and Situations

Front

What is the equation that represents the total cost (y) of x pounds of muenster cheese if it costs $4.50 per pound?

Back

y = 4.50x

Front

What is the constant of proportionality in the equation y = 4.50x?

Back

4.50

Front

Write the equation for the situation where the total cost (y) is $19.25 per item (x).

Back

y = 19.25x

Front

Identify the constant of proportionality in the equation y = ½x.

Back

1/2

Front

If the Williams family bought four concert tickets for $252, what is the price per ticket?

Back

$63.00

Front

What does the term 'constant of proportionality' mean?

Back

It is the constant value that relates two proportional quantities, often represented as k in the equation y = kx.

Front

How do you find the constant of proportionality from an equation?

Back

Identify the coefficient of x in the equation y = kx.

Front

What is the formula to calculate the total cost (y) based on the price per item (k) and the number of items (x)?

Back

y = kx

Front

If y = 3x, what is the constant of proportionality?

Back

3

Front

What is the relationship between x and y in a proportional relationship?

Back

As x increases, y increases at a constant rate determined by the constant of proportionality.