Write the Phrase as a Variable Expression

question 10

Multiple Choice

Write the phrase as a variable expression. Use x to represent "a number."
-Twice the difference of a number and eight

• A) 2 x-8
• B) 2(x-8)
• C) 2(x+8)
• D) 2 x+8

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Definitions:

Archaea

A domain of single-celled microorganisms that are genetically distinct from bacteria and eukaryotes, often inhabiting extreme environments.

Eukarya

A domain of life consisting of organisms with cells that contain a nucleus, including animals, plants, fungi, and protists.

Consumers

Organisms that obtain energy by consuming other organisms or organic matter, as opposed to producing their own energy through photosynthesis or chemosynthesis.

Decomposed

The process by which organic substances are broken down into simpler organic or inorganic matter, primarily by the actions of microorganisms.