Week 3 Blog Post

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This week i learned about absolute values. I learned that the absolute value is what ever number that’s in the fancy brackets. Unless it’s negative. If it’s negative then you just make it a positive and take the brackets away. Absolute values seem quite scary, but they’re actually quite simple for now. I also learned about infinite series. That is when you find the sum of any geometric series as long as it converges. Meaning it gets smaller. 

Week 2 Blog Post

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I learned about arithmetic sequences. And that you can find out any term just by knowing the difference and the first term.

To get any term you do t_n = t_1 + (n-1)d

and d = t_n – t_{n-1}