### Home > CCA2 > Chapter 8 > Lesson 8.1.1 > Problem 8-18

8-18.

*x* − 4)^{2} + (*y* − 3)^{2} = 25 is equivalent to the equation (*x* − 4) + (*y* − 3) = 5. Is she correct? Are the two equations equivalent? Explain how you know. If they are not equivalent, explain Samantha's mistake. Homework Help ✎

Solve to find a point that makes the second equation true. Does it also make the first equation true?

Look at the graphs of each equation. Are they the same?