How do you solve #sqrt(4a + 1) = 1 # and find any extraneous solutions?
1 Answer
Mar 29, 2017
Square both sides.
Solve the resulting equation.
Check the solution.
Explanation:
Given:
Square both sides:
Subtract 1 from both sides:
Divide both sides by 4:
Check the solution:
This checks.
There is 1 and only 1 solution and it checks, therefore, there are no extraneous solutions.