Problem 12 of 7
Use first differences to decide whether the table 5, 8, 6, 9 shows a linear pattern.
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compute first differences.
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Table outputs must be listed over equal input intervals.
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Solution
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1. Confirm input intervals are equal.
2. Subtract consecutive outputs.
3. Constant first differences indicate a linear pattern.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Checking differences when input intervals are not equal unless adjusted.