inverse variation

Given that y varies inversely with x, if x =7 and y = 4, what is y when x = 2?

• 14
• 10
• 2
• -14

What kind of variation does this equation show?
y = 6x

• Inverse Variation
• Direct Variation
• No Variation
• Joint Variation

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

• yes
• no

Tags

CCSS.HSF-LE.A.1B

Given the following equation, identify the constant k.
y = 54/x

• There is one.
• k = x
• 54
• y = k

Tags

CCSS.HSF-LE.A.1B

If y varies inversely as x, and y = 23 when x = 8, find y when x = 4.

• 26

• 46

• 52

• 92

If x varies inversely as y, and x = 3 when y = 8, find y when x = 4.

• 3

• 6

• 9

• 12

Which of the following represents direct variation?

• y = kx
• y = k/x
• y = x/k
• y = mx + b

What kind of variation is shown in the graph?

• Direct
• Inverse

Is the following graph direct, inverse, or neither?

• Direct
• Inverse
• Neither

Is the following graph direct, inverse, or neither?

• Direct
• Inverse
• Neither