Answers CMS 2026-2027 NC Math 1 CREDIT RECOVERY PretestQuestion 6

6

lesson pretestMultiple Choice

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Question 6 • CMS 2026-2027 NC Math 1 CREDIT RECOVERY

Which sequences are geometric? Choose three correct answers.

Answer

A

negative 2 point 7 comma negative 9 comma negative 30 comma negative 100 comma dots

B

negative 1 comma 2 point 5 comma negative 6 point 2 5 comma 15 point 6 2 5 comma dots

C

8 comma 0 point 8 comma 0 point 0 8 comma 0 point 0 0 8 comma dots

D

9 point 1 comma 9 point 2 comma 9 point 3 comma 9 point 4 comma dots

E

4 comma negative 4 comma negative 12 comma negative 20 comma dots

Explanation

A sequence is geometric when the ratio between each term and the term before it stays the same. In A, each term is multiplied by about 3.33; in B, each term is multiplied by −2.5; and in C, each term is multiplied by 0.1. The ratios are constant in all three sequences, so A, B, and C are geometric.

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