Rate of Change, Constant of Proportionality, Convert Measurements

Unit means...

• one
• two
• three
• four

The constant of proportionality is the same as finding what?

• unit rate

• unit price

• the y value divided by the x value

• All of the above

When we compare quantities, we compare them as:

• x over y

• y times x

• y over x

• peanut butter over jelly

Which best describes the relationship represented in this table?

• proportional
• non-proportional

Does the table represent a proportional relationship? If so, what is the constant?

• Yes, the constant is 1/3.

• Yes, the constant is 3.

• Yes, the constant is 5.

• No, there is no constant.

Write the equation for the table given.

• y = 1/3x

• y = 0x

• y = 1/2x

• y=3x

Write an equation for the proportional relationship in the table.

• y=18.50x

• y=18x

• y=22.50x

• y=22x

What is the constant of proportionality (in miles per hour) based on the table?

• 2 mph
• 45 mph
• 90 mph
• 135 mph

Write an equation for this situation.

• y=9.6x

• y=19x

• y=19.25x

• y=9.5x

What is the cost per hour for a canoe rental?

• $12 per hour

• $14 per hour

• $18 per hour

• $26 per hour