Direct or Inverse

Direct

100

What is the formula for Direct variations?

y=kx

200

If x=3 when y=12, what is y when x=9

y=36 when x=9

300

if x goes up, then y goes...

up

400

If x=12 when y=36, what is y when x=10?

y=30 when x=10

500

The weight of an object on the moon varies directly to the weight on earth. A person who weighs 164.4 pounds on earth, also weighs 27.4 pounds on the moon. How many pounds would a 252 pound person on earth weigh on the moon?

41.9 or 42 pounds

Inverse

100

What is the formula for Inverse variations?

y=k(1/x)

200

If x=4 when y=48, then what is x=8, what is the value of y?

y=24 when x=8

300

If x goes up, then y goes...

down

400

If x=4 when y=16 and y varies inversely to x, find x when y=3

x=3/4 when y=3

500

The time it takes to cover the distance between two cities by car varies inversely with the speed of the car. The trip takes 3 hours for a car moving 68mph. What is the speed of a car that makes the trip in 4 hours?

51mph

Meme

100

Hurricane Katrina, more like...

Tortilla

200

Road work ahead...

I sure hope it does

300

It is Wednesday my dudes...

AHHHHHHHHH

400

It's an Avocado...

Thanks

500

Thats suspicious...

that's weird