Initial Value and Rate of Change

What is the initial value of this graph?

• 1

• -2

• 0

• 3

What is the rate of change in the equation?
y=8x+6

• 8

• 6

What is the initial value?

• 1

• 2

• 9

• 11

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.

• 4 burgers per person

• 6 burgers per person

• 2 burgers per person

• 2 people per burger

Mr. Z is starting his own car club, there is a $30 join up fee and a $5 monthly fee. What is the rate of change?

• 30

• 5

Use the graph to calculate the rate of change.

• 1

• -1

• 2

• -2

Select ALL that mean the same thing as the rate of change.

• Slope

• Unit Rate

• Constant of Proportionality (Only if proportional)

• Initial Value

What is the rate of change of the line?

• ^-2/₃

• -1.5

• 4

• ³/₂

Which company shows a greater rate of change?

• Water's Edge Rafts

• Ryan's Rafts