Direct, Inverse, Joint Variation

• direct variation
• inverse variation
• neither direct nor inverse variation

• direct variation
• inverse variation
• neither direct nor inverse variation

• direct variation
• inverse variation
• neither direct nor inverse variation

The equation    
w = 10chs  represents:

• direct variation

• inverse variation

• joint variation

• none of these

The equation 
xy =  25  represents:

• direct variation

• inverse variation

• joint variation

• none of these

Question: What is the type of variation?

• direct variation

• inverse variation

• joint variation

• none of these

Question: What is the type of variation?

• direct variation

• inverse variation

• joint variation

• none of these

• direct variation
• inverse variation
• joint variation
• none of these

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

• direct variation

• inverse variation

• joint variation

• none of these

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 

• direct variation

• inverse variation

• joint variation

• none of these