What is the common difference in 7, 11, 15, 19?
Please select an answer first.
Correct answer: A
The correct answer is 4.
- Identify the relationship: Subtract consecutive terms: each term increases by 4.
- Apply the rule or model: Use the definition, formula, representation, or evidence named in the question.
- Check the result: Confirm that the answer matches the units, domain, and meaning of the problem.
Subtract consecutive terms: each term increases by 4.
