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Advanced Math
/ Nonlinear equations in one variable and systems of equations in two variables
Difficulty: Easy
What is the positive solution to the given equation?
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Explanation
Choice D is correct. Adding to each side of the given equation yields . Taking the square root of each side of this equation yields . Therefore, the positive solution to the given equation is .
Choice A is incorrect. This is the positive solution to the equation , not .
Choice B is incorrect. This is the positive solution to the equation , not .
Choice C is incorrect. This is the positive solution to the equation , not .