Which of the following is *not* a radical expression? **A.** $$ \sqrt{2x} $$ **B.** $$ \sqrt{4} \times \sqrt{5} $$ **C.** $$ 3x^3 - 4x $$

Flashcard 14 - Mathematics: Algebraic Reasoning Flashcard Set for the TSIA2

A radical expression is an expression that contains roots. It may contain numbers and/or variables.

Choice A is a radical expression since it has both a number and a variable under a root.

Choice B is also a radical expression as it contains roots.

Choice C doesn’t have any roots. It is not a radical expression, but rather a polynomial.

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