Sequences and Series

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This video includes sample exercises and step-by-step explanations of binomial expansions and the sum of a geometric series for the California Standards Test.

A helpful scientific calculator that runs in your web browser window.

The perfect study site for high school, college students and adult learners. Get help to do your homework, refresh your memory, prepare for a test, ....

Problem: Write the next term of the sequence, and write the rule for the nth term. 5,25,125,625,... 4,10,16,22,...

8,17,26,35,44... The first 5 terms in a sequence are shown above. Each term after the first is found by adding nine to the term immediately preceding it. Which term in this sequence is equal to 8+(26-1)9? A. The 8th B. The 9th C. The 25th D. The 26th E. The 27th I am a freshman in high school. I can understand things pretty well, but please be patient with me.