At the dedication of the martin luther king jr. memorial, barack obama gave a speech praising king's leadership of the civil rights movement. according to your textbook, obama gave a(n) group of answer choices invitational speech. commemorative speech. persuasive speech. informative speech. speech of presentation.

commemorative speech

Explanation: There are various types of speeches. A commemorative speech also known as ceremonial speech, is when a speaker celebrates an event, group, person, place, situation, or idea as a sign of respect for the work done. This normally happens at special events. In this case Barack Obama was giving a speech praising Martin Luther King for his efforts during the civil rights movement.

Other multiple choice options given that don't apply here, and their definitions are below:

Invitational speech: this is a type of speech where the speaker engages in dialogue with his/her audience to discuss, compare or clarify issues, ideas or other points.

Persuasive speech: this is a type of speech where the speaker tries to convince his/her audience to see things from their perspective and accept their (the speaker's) point of view.

Informative speech: this is a type of speech where the speaker makes use of demonstrations, definitions and descriptions to explain a subject matter to the audience and help them understand it.

Speech of presentation: this type of speech is similar to the options above, as the speaker makes use of demonstrations, and other forms of information to persuade or explain a topic to its audience.

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