Fill in the Blank with One of the Words or Phrases

question 349

Multiple Choice

Fill in the blank with one of the words or phrases listed below. $$\begin{array} { l l l } \text { index rationalizing } & \text { conjugate } & \text { principal square rootcube root midpoint } \\\text { complex numberlike radicals } & \text { radicand } & \text { imaginary unit } \quad \text { distance }\end{array}$$
-A(n) -----------is a number that can be written in the form a + bi, where a and b are real numbers.

• A) distance
• B) conjugate
• C) complex number
• D) radicand

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