Elisa bought a car for $12,000 ten years ago. It has depreciated at a rate of 9% per year since she bought it. Write an expression to show the value of the car now. Then find out how much the car is worth now.

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square