Chapter 8, Problem 1QC

To determine

To find: the next term in the given sequence

Answer to Problem 1QC

The next number should be 17 by adding 4.

Explanation of Solution

Given:

  $1,5,9,13$

Calculation:

Observing the sequence, it has a constant difference of 4 by subtracting the next number from the previous one.

  $\begin{array}{l}13-4=9\\ 9-4=5\\ 5-4=1\end{array}$

Therefore, the next number should be 17 by adding 4.

Conclusion:

Therefore, the next number should be 17 by adding 4.