Constant Rate of Change

Adrianna has $20 in her savings account. Each week she will add $5 to it. Which equation can be used to find y, the total amount of money in Adrianna's account after x weeks?

• y = 20 x + 5

• y = 5 x + 20

• y = 20 x - 5

• y = 5x - 20

Pamela rode her bike at a constant rate of 0.1 kilometer per minute. Which table represents y, the number of kilometers Pamela rode her bike in x minutes?

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Match the equation to the graph

• y = 1/2 x - 4

• y = - 1/2 x + 4

• y = 1/2 x + 4

• y = 4 x + 1/2

Jed has 6 dollars but spends $0.50 on a soda each day. Which equation can be used to find y, the remaining money he has after x days?

• y = 0.50 x + 6.00

• y = - 0.50 x + 6.00

• y = 6.00x - 0.50

• y = 6.00x + 0.50

A boat company charges a $20 fee to rent a boat and rental rate of $12 per hour after that. Which graph represents the relationship between y the total cost to rent the boat, and x, the hours that the boat is rented?

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Find the constant rate of change for this graph.

• 2 lb per person

• 1 lb per person

• 3 lb per person

• 4 lb per person

What is the constant rate of change for the following graph?

• 80

• 20

• 40

• 160

Determine the Constant Rate of Change?

• $250.00 per day

• $333.33 per day

• -$250.00 per day

• -$333.33 per day

The table show's your profit from your summer mowing job. What is the rate of change?

• $10 per hour

• $20 per hour

• $5 per hour

• $12 per hour

What is the constant rate of change between the quantities in the table?

• $1 per hour

• $40 per hour

• $5 per hour

• $10 per hour