Question

Given the equation Square root of 2x plus 1 = 3, solve for x and identify if it is an extraneous solution

Answer 1

\[\sqrt{2x+1}=3\]

Answer 2

1st step...square both sides.
Now what does the equation look like?

Answer 3

wat

Answer 4

x = 4, solution is extraneous

x = 4, solution is not extraneous

x = 5, solution is extraneous

x = 5, solution is not extraneous

Answer 5

Square both sides.. That means raise each side to the 2nd power.