Look at the examples below. Which example is a permutation? 1 . dogs leaving a dog park

2 . swimmers placing at a swim meet

3. choosing three books from the library

4. rolling a die

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