Fill in the Blank with One of the Words or Phrases

question 38

Multiple Choice

Fill in the blank with one of the words or phrases listed below. $$\begin{array} { l l l } \text { index rationalizing } & \text { conjugate } & \text { principal square rootcube root midpoint } \\\text { complex numberlike radicals } & \text { radicand } & \text { imaginary unit } \quad \text { distance }\end{array}$$
-The_____ formula is $\mathrm { d } = \sqrt { \left( \mathrm { x } _ { 2 } - \mathrm { x } _ { 1 } \right) ^ { 2 } + \left( \mathrm { y } _ { 2 } - \mathrm { y } _ { 1 } \right) ^ { 2 } }$ .

• A) midpoint
• B) distance
• C) conjugate
• D) cube root

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Definitions:

Inheritance

The genetic process by which traits and characteristics are passed from parents to their offspring.

Heterotrophic Anaerobes

Organisms that require organic compounds for food and are capable of living and growing in the absence of molecular oxygen.

Cyanobacteria

Prokaryotic photosynthetic microorganisms that possess chlorophyll and produce oxygen during photosynthesis.

Oxygen

A chemical element with the symbol O and atomic number 8, essential for aerobic respiration in living organisms.