constant of proportionality

In the equation y = 14x, what is the constant of proportionality?

• 1/14

• x

• 14

• y

• 1.4

Is the given table a proportional relationship? If so, what is the constant?

• Yes; 1/3
• Yes; 3
• Yes; 5
• No

Find the unit rate of 624 calories in 3 servings.

• 1,872 calories per serving
• 208 calories per serving
• 624 calories per serving
• 621 calories per serving

Write an equation for this situation.

• y=9.75x
• y=19x
• y=19.25x
• y=9.5x

Craig earns extra money as a lifeguard. He earns $34 for 4 hours and $59.50 for 7 hours. What is the constant of proportionality?

• $8

• $6.75

• $8.50

• $.11

What is the equation for the constant of proportionality?

• y=1/3x

• y=6x

• y=9x

• y=3x

Select all

In order for a graph to be proportional the line must be _________ and ___________.

• straight

• on the x-axis

• touch the origin

• must be on the 1st quadrant

Which equation matches the constant of proportionality?

• x = y

• y = x

• y = kx

• l x w

The constant of proportionality (k) can be found by finding the __________ _____________.

• unit rate

• ratio rate

• proportion answer

• rational number

Which graph is proportional?

• A
• B
• C and D
• All of the graphs are proportional