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Which of the following is a correct statement about the root of an equation?

Which of the following is a correct statement about the root of an equation?

A. The root of an equation is the solution of the equation.

B. The root of an equation is the reciprocal of the unknown quantity.

C. The root of an equation is the letter that occurs most frequently.

D. The root of an equation is a term that's been moved to the opposite side.

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1 Answer

According to thefreedictionary.com, the "root of an equation" is "that value which, substituted for the unknown quantity in an equation, satisfies the equation."  Therefore, choice A is the best answer.

 

Reference: http://www.thefreedictionary.com/Root+of+an+equation