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Math: Radical Equations - Tutorial
Since x cannot equal both 6 and -6, plug the answer back into the equation to see which answer is correct.
To check this equation, click here.
This section will cover the fundamentals and rules of solving radical equations.
Steps for Solving Radical Equations
Below are steps for solving radical equations
- Place parentheses around both terms.
- Square the radical.
- Check your answer.
Check your work:
The answer is correct.
5x + 5 = 100
Square both members to remove the radical sign.
Plug the answer back into the equation. If it is equal, the answer is correct.
Plug the answer back into the equation. If it is equal, the answer is correct.
Square both members to remove the radical sign.
Subtract 5 from both sides to get 5x on the left side by itself.
Divide by 5 to solve for x.
Add x to both sides to get the radical on the
left side by itself.
Square both members to remove the radical sign.
Add 108 to both sides.
6 x 6 = 36 and -6 (-6) = 36
However, only one answer is correct.
Solving Radical Equations
