. What is an EXTRANEOUS solution?
A. a solution that is difficult
B. a solution that doesn't work in the original problem
C. an extra solution
D. a solution that is beautiful

Question

. What is an EXTRANEOUS solution?
A.		 a solution that is difficult
B.		 a solution that doesn't work in the original problem
C.		 an extra solution
D.		 a solution that is beautiful

anonymous · Answer

b

charlotte123 · Answer

That would be B - http://www.mathwords.com/e/extraneous_solution.htm

anonymous · Answer

what website is this for

mathstudent55 · Answer

When you solve certain types of equations, you must do some steps that will have you solve a similar equation. Sometimes the similar equation has solutions that are not a solution to the original equation. These are extraneous solutions.
One type of step that often introduces extraneous solutions is squaring both sides.