Read the sentence.

The roller-coaster ride isPOPULAR.

What kind of complement is the word in bold?

objective complement

predicate nominative

indirect object

predicate adjective

predicate adjective

The word "POPULAR" in the sentence "The roller-coaster ride is POPULAR" is a predicate adjective.

To determine the kind of complement in the sentence, you need to understand the different types of complements.

1. An objective complement is a noun or adjective that renames or describes the direct object. It usually follows the direct object and can sometimes be omitted.

2. A predicate nominative is a noun or pronoun that renames or identifies the subject of the sentence. It follows a linking verb and receives the action of that verb.

3. An indirect object is a noun or pronoun that indicates to whom or for whom the action of the verb is done. It typically comes between the verb and the direct object.

4. A predicate adjective is an adjective that follows a linking verb and modifies the subject.

In the given sentence, the word "POPULAR" follows the verb "is" and describes the subject "The roller-coaster ride." Since it is an adjective that follows a linking verb, it functions as a predicate adjective. Therefore, the answer is "predicate adjective."