High School

We appreciate your visit to Amara monitored a cockroach infestation in an abandoned warehouse over time The table shows the cockroach population every week tex begin tabular c c hline. This page offers clear insights and highlights the essential aspects of the topic. Our goal is to provide a helpful and engaging learning experience. Explore the content and find the answers you need!

Amara monitored a cockroach infestation in an abandoned warehouse over time. The table shows the cockroach population every week.

[tex]
\[
\begin{tabular}{|c|c|}
\hline
\text{Number of Weeks} & \text{Number of Cockroaches} \\
\hline
1 & 5 \\
\hline
2 & 30 \\
\hline
3 & 180 \\
\hline
4 & 1,080 \\
\hline
5 & 6,480 \\
\hline
\end{tabular}
\]
[/tex]

**Part A**

What type of sequence best represents this situation? How do you know?

Select the correct answer from each drop-down menu.

This situation is best represented by a [tex]$\square$[/tex] sequence because the number of cockroaches has a [tex]$\square$[/tex].

Answer :

To determine the type of sequence that best represents the cockroach population over time, let's analyze the data:

The cockroach population at each week is as follows:
- Week 1: 5 cockroaches
- Week 2: 30 cockroaches
- Week 3: 180 cockroaches
- Week 4: 1,080 cockroaches
- Week 5: 6,480 cockroaches

Step 1: Identify the Pattern

We'll begin by looking at the ratios of consecutive terms, as this will help us identify the type of sequence.

Calculate the ratio between the number of cockroaches in consecutive weeks:

[tex]\[
\frac{30}{5} = 6
\][/tex]

[tex]\[
\frac{180}{30} = 6
\][/tex]

[tex]\[
\frac{1,080}{180} = 6
\][/tex]

[tex]\[
\frac{6,480}{1,080} = 6
\][/tex]

Step 2: Analyze the Ratios

Since each ratio is the same (6), we observe a consistent pattern where each term is multiplied by 6 to obtain the next term.

Conclusion: Identify the Sequence Type

When the ratios between consecutive terms are constant, the sequence is known as a geometric sequence. Therefore, this situation is best represented by a geometric sequence because the number of cockroaches increases by a consistent factor of 6 each week.

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Rewritten by : Barada