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Advanced Math / Nonlinear equations in one variable and systems of equations in two variables Difficulty: Medium

x 2 = -841

How many distinct real solutions does the given equation have?

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Explanation

Choice D is correct. Since the square of a real number is never negative, the given equation isn't true for any real value of x . Therefore, the given equation has zero distinct real solutions.

Choice A is incorrect and may result from conceptual or calculation errors.

Choice B is incorrect and may result from conceptual or calculation errors.

Choice C is incorrect and may result from conceptual or calculation errors.