Direct and Inverse Variation TEST

Is the given table a direct variation? If so, what is the constant?

• Yes; 1/4
• Yes; 4
• Yes; 2
• No

What is the constant (k) in this inverse variation?

• 12
• 24
• 48
• Not enough information given

Is this an inverse variation? y = 400/x

• maybe?

• no

• yes

• Not enough information given

The equation 
xy =  25  represents:

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

Which of the following is NOT a direct variation?

• y = -2x
• y = 1/2x
• 2x + 3y = 2
• y = 4x

What kind of equation is this?
xy=8

• Linear Equation
• Direct Variation
• Inverse Variation
• Joint Variation

Does the equation show an inverse variation? 
y=10/x

• yes
• no

Tags

CCSS.HSF-LE.A.1B

Is this a direct variation?

• yes
• no

Is this a direct variation?

• yes
• no

What does the Direct Variation Equation look like?

• Y= kx
• y = mx + b
• y = b
• y = x