Which of the following values of x satisfies the given equation?

Question

Accepted Answer

Choice A is correct. Solving for x by taking the square root of both sides of the given equation yields or . Of the choices given, satisfies the given equation. Choice B is incorrect and may result from a calculation error when solving for x . Choice C is incorrect and may result from dividing 64 by 2 instead of taking the square root. Choice D is incorrect and may result from multiplying 64 by 2 instead of taking the square root.

Question which-