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Nonlinear equations in one variable and systems of equations in two variables SAT question
Math · Advanced Math · Easy · Answer it here, explanation included.
Which of the following values of x satisfies the given equation?
ExplanationShow
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.
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