When solving a rational equation, it is common to come across extraneous roots. Try This 3 explores this idea.
Tyrone and Kalina are trying to solve
Tyrone used an algebraic approach and wrote the following steps:
Kalina decided to use a graphical approach and made this graph. She agreed with Tyrone’s solution, as the functions on her graph looked as though they could possibly intersect at about x = 3 as the functions continued.