Engineering↗
Radical Equations and Spurious Solutions
Squaring both sides to remove a radical, why that can create solutions that were never there, and why checking is not optional.
Every page in the KEVOS library tagged radical equations. 2 pages.
Squaring both sides to remove a radical, why that can create solutions that were never there, and why checking is not optional.
Solve equations containing variables under square roots by isolating the radical, squaring both sides and checking for extraneous solutions.