Constant of Proportionality (Tables)

Front

What is the constant of proportionality?

Back

The constant of proportionality is the ratio between two proportional quantities, often represented as 'k'. It remains constant as the values change.

Front

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

Back

To find the constant of proportionality from a table, divide the value of one quantity by the corresponding value of the other quantity. If the ratio is the same for all pairs, that ratio is the constant of proportionality.

Front

If y = kx, what does k represent?

Back

In the equation y = kx, 'k' represents the constant of proportionality, indicating how much y changes for a unit change in x.

Front

What is the constant of proportionality if 10 apples cost $20?

Back

The constant of proportionality is $2 per apple.

Front

If 4 suits cost $80, what is the constant of proportionality?

Back

The constant of proportionality is $20 per suit.

Front

How many items can you buy for $100 if each item costs $25?

Back

You can buy 4 items for $100.

Front

What is the unit rate of 12 oranges for $3?

Back

The unit rate is 4 oranges per dollar.

Front

If the constant of proportionality is 5, how much do 3 items cost?

Back

If the constant of proportionality is 5, then 3 items cost $15 (5 x 3 = 15).

Front

What is the constant of proportionality if 15 lemons cost $12?

Back

The constant of proportionality is $0.80 per lemon.

Front

If you can buy 6 books for $30, what is the cost of 1 book?

Back

The cost of 1 book is $5.