Problem 77 of 7
Decide whether a_n = 7 - 3(n-1) and a_1 = 7; a_n = a_(n-1) - 3 define the same sequence.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
recognize same sequence from different rules.
Hidden until you reveal it.
Rules must be comparable by start value and change pattern.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Compute the first term from each rule.
2. Compare the common difference or common ratio.
3. They match only if both starting value and step pattern match.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Checking only the common difference or ratio while ignoring first term.