Readers must consider
to determine the central idea in an informational text.
-the author and setting
-historical facts and people
-the topic and supporting details
-symbolism and language

Readers must consider  the topic and supporting details to determine the central idea in an informational text.

-the topic and supporting details

Explanation:

The Central Idea of an enlightening entry is the thing that a section is about - expressed in an expansive sentence. The focal thought can be best portrayed as the predominant impression or the all-inclusive, nonexclusive truth found in the story. In past years, you may have considered this the "Primary Idea."

Central Ideas are the most significant plans to assist you with understanding an enlightening book. While the primary thought is as a rule in the main sentence, the following most normal position is in the last sentence of the passage.

The creator gives supporting data first and afterwards, makes the point in the last sentence. The focal thought can be best portrayed as the predominant impression or the widespread, nonexclusive truth found in the story.