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2 cards from this section. Quick, good the night before a test.
What is the common difference in the AP: 3, 7, 11, 15?
Find the difference between any two consecutive terms.
Calculate the 5th term in the AP if a = 10 and d = 2.
Use the nth term formula.
What is an Arithmetic Progression?
Consider how terms are generated in an AP.
True or False: The common difference can be zero.
Think of what happens when you add zero to a number.
You've invested $100 at a fixed interest of $10 per year. What will be the total investment at the end of 12 years?
Consider how interest accumulates each year.
A penalty on a project increases by $50 each day starting from $200. Calculate the total penalty after 15 days.
Use the sum of the first n terms formula.
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