Use the graph below to write an equation that represents car value depreciation. Use the equation to predict the car value 7 years after purchase. Use the variables V for Value and Y to represent the year since purchase.

You’ve probably heard someone say, “The car you buy loses value right when you drive it off the lot.” Well, it’s true. And we can use this week’s lesson to learn how the value drops over time. Use the graph below to write an equation that represents car value depreciation. Use the equation to predict the car value 7 years after purchase. Use the variables V for Value and Y to represent the year since purchase. Explain each step you took to arrive at your answer.

chart