4.2a Rate of Change

What is the rate of change for this table?

• $1/9 per hour

• $9 per hour

• $8 per hour

What is the rate of change for the table? Be careful...remember the "x" is the top row of numbers and the "y" is the bottom row.

• 1/25

• 25

• 50

• 2

Identify the rate of change. Use a calculator if you need to.

• 2 dollars per pound

• 3 dollars per pound

• $1.50 per pound

• 67 cents per poound

• none (not proportional)

What is the rate of change of the relationship represented by the table above?

• 75 dollars per adult

• 0.013 dollars per adult

• 1/75 dollars per adult

• None of the above

Alycia earned $20.40 in 3 hours. What is her unit rate in dollars per hour? Use a calculator if necessary.

• $7 per hour

• $6 per hour

• $6.80 per hour

• $17.40 per hour

Find the rate of change.

• -2 minutes per gallon
• -20 minutes per gallon
• -2 gallons per minute
• -20 gallons per minute

Find the average rate of change of Pete's height from 3 years old to 5 years old.

• 2 inches per year
• 8 inches per year
• 2 years
• 4 inches per year

This is a table with a proportional relationship between A and B. Find the missing value of B when A is 16.

• 33

• 44

• 32

• 48

Nancy can type 50 words per minute. Look at the table below to write an equation that matches the data.

• m=50 + w
• w= 50m
• w= 50 + m
• m= 50 - w

Find the rate of change

• 1
• 2
• 11
• Not a constant slope/Non-Linear