Rate of Change and Initial Value

What is the initial value?

• -3

• 0

• 3

• 20

What is the rate of change in the equation?

y=8x+6

• 8

• 6

What is the initial value?

• 0

• 1

• 8

• 10

What was Brian's rate of change?

• 3/2

• 1.5

• 60

• 30

All of the following are definitions of initial value except...

• Where the line crosses the y-axis

• The starting value

• The rate in which something changes.

• (0, #)

Tim bought a new phone. He paid $125 on the day of purchase, then $50 per month until it was paid off. What is the initial value in this situation?

• 50

• 125

Find the rate of change

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

Which is the most accurate definition of rate of change?

• The change in x divided by the change in y

• The change in y divided by the change in x

• The change of the rates

• Change is another word for coins

What is the rate of change for the following graph?

• 80
• 20
• 40
• 160

A climber is on a hike. After 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the average rate of change? 

• 200
• 150
• 300
• 75