Constant of Proportionality

What is the constant of proportionality for this table?

• $1/9 per hour

• $9 per hour

• $8 per hour

• $18 per hour

Albert wants to buy some pens. He compares 4 different packs of pens. Which two packs of pens have the same cost per pen?

• Packs 1 and 2

• Packs 1 and 3

• Packs 2 and 4

• Packs 1 and 4

The table shows how much a store charges for a certain number of bananas. Which equation could be used to find cost, c, of any number of bananas, b?

• c = $0.09b

• c = $0.19b

• c = $0.38b

• c = $0.57b

Determine the constant of proportionality for the table. Express your answer as y = kx

• y = 1/2x

• x = 1/2y

• y = 2x

• k = x

k represents

• the constant of proportionality

• the king

• ketchup

• a strikeout

Which equation matches the constant of proportionality?

• x = y

• y = x

• y = kx

• l x w

Which equation helps you solve for k?

• k = x/y

• k = y/x

• k = y + x

• k = 2x

A recipe calls for 3/4 cup of brown sugar for every 3 eggs. What is the unit rate of eggs per cup? 

• 1 cup per egg
• 2 cups per egg
• 3 eggs per cup
• 4 eggs per cup

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

What is the constant of proportionality for this table?

• $1/9 per hour
• $9 per hour
• $8 per hour