### Home > A2C > Chapter 11 > Lesson 11.3.1 > Problem 11-129

11-129.

How many ones do you need to make a perfect square? How many do you have?

*f*(*x*) = (*x* + 2)^{2} + 2

See part (a).

(*x* + 3)^{2} + (*y* − 4)^{2} = 25

Remember to sketch the equation.