Q. Mandy did 2 sit-ups on Monday, 6 sit-ups on Tuesday, 18 sit-ups on Wednesday, and 54 sit-ups on Thursday. What kind of sequence is this?
List Sit-ups Count: Step 1: List the number of sit-ups Mandy did each day.Monday: 2Tuesday: 6Wednesday: 18Thursday: 54Sequence: 2,6,18,54
Check Differences: Step 2: Check if the differences between consecutive terms are equal.6−2=418−6=1254−18=36The differences are not equal.
Check Ratios: Step 3: Check if the ratios of consecutive terms are equal. 26=3618=31854=3The ratios are equal and each term is 3 times the previous term.
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