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The correct roots are cred, graph, and vis. These are root words, meaning they form the core meaning of a word. The root "cred" means "to believe" (as in "a credible source"), the root "graph" means "to write" (as in "graphing paper"), and the root "vis" means "to see" (as in "visible happiness").

The other options are prefixes, meaning they are attached to the beginning of a root word to clarify or change the meaning of the root. "Anti" means "against," "con" means "with," and "post" means "after." These prefixes cannot stand on their own and must be added to a root in order to mean something. For example, an antiviral drug works against a virus.

Among the options given, the ones that are root words are the following:

C. cred

D. graph

F. vis

What is a root word?

  • A root word can be defined as the most basic part of a word, that is, the part that carries the most essential meaning of the word. A root word can generate other words, especially through the addition of prefixes and suffixes.

What are the root words in the options?

  • The root word "cred" comes from Latin and means "believe". Just think about the words formed from it which all have meanings related to "believe": credible, credibility, incredible, etc.
  • "Graph" is also a root word but of Greek origin, and it means "to write". Examples of words formed from it are: geography, paragraph, calligraphy, etc.
  • Finally, the root word "vis" comes from Latin and means "to see." Examples: visible, visual, visibility, etc.
  • The other words - "anti", "con", and "post" - are prefixes. They are added to the beginning of a word to modify its meaning.

Learn more about root words here:

https://brainly.com/question/2197756

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