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Geometric Series  Problem 4
Alissa Fong
Alissa Fong
MA, Stanford University
Teaching in the San Francisco Bay Area
Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts
Sometimes when people have bank accounts, they deposit one lump amount and leave it. Others deposit a fixed amount every year and that is the case we look at here in "repeated investment" problems. The first term in your sequence should be the amount of money in the account after the first year's interest is paid. From there, use the interest rate, r, as a decimal and n as the number of years to find the total sum of money in the account after a certain amount of time.
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Alissa Fong
M.A. in Secondary Mathematics, Stanford University
B.S., Stanford University
Alissa has a quirky sense of humor and a relatable personality that make it easy for students to pay attention and understand the material. She has all the math tips and tricks students are looking for.
Your tutorials are good and you have a personality as well. I hope you have more advanced college level stuff, because I like the way you teach.”
Thanks alot for such great lectures... I never found learning this easier ever before... keep up the great work.... :)”
You seem so kind, it's awesome. Easier to learn from people who seem to be rooting for ya!' thanks”
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Sample Problems (14)
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Problem 3 6,183 views_{7} ∑ 8(½)^{n} ^{i = 2} 
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Problem 5 845 views 
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