Inverse and Direct variations

Front

A person’s weekly pay is directly proportional to the number of hours worked. Shawn’s pay is $123.00 for 20 hours of work. What is the constant of variation?

Back

k = 6.15

Front

In a direct variation, y = 39 when x = 3. Find the value of y when x = 2.

Back

26

Front

The amount of money earned on a job is directly proportional to the number of hours worked. If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?

Back

$308

Front

Back

direct variation

Front

Back

inverse variation

Front

What type of variation does this scenario represent?
The length of time you charge your cell phone
and the battery power 

Back

direct variation

Front

What type of variation does this scenario represent?
The outside temperature
and the number of layers of clothes you need to wear outside to feel comfortable 

Back

inverse variation

Front

What type of variation does this scenario represent?
The outside temperature
and the number of layers of clothes you need to wear outside to feel comfortable 

Back

inverse variation

Front

What type of variation does this scenario represent?
You and some friends decide to buy 2 pizzas and split the cost evenly.
The number of friends who are sharing the cost of the pizzas
and the amount of money you pay for your share.

Back

inverse variation

Front

What type of variation does this scenario represent?
You and some friends decide to buy 2 pizzas and split the cost evenly.
The number of friends who are sharing the cost of the pizzas
and the amount of money you pay for your share.

Back

inverse variation