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Category Archives: Math 11

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Blog 3 – adding radicals

Posted on March 1, 2018 by jaxsona2015
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This week in precalc I learned that when doing absolute values if a negative number is within braces it really means its a positive absolute value. We know this because it all depends on the numbers distance from 0.

Posted in Math 11 | Leave a reply

Week 2 – Geometric Sequences (Infinite Series)

Posted on February 13, 2018 by jaxsona2015
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This week we were taught about geometric sequences and infinite and finite series.

 

Converging = finite

diverging = infinite

 

finite =  -1<r<1

infinite = r<-1 or r>1

 

Finite = sum

infinite= no sum

 

Equations:

S_\infty = \frac{a}{1-r}

 

Posted in Math 11 | Tagged geometricsequences | Leave a reply

Week 1 – Arithmetic Sequence

Posted on February 5, 2018 by jaxsona2015
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S_n=\frac{n}{2}(t_1+t_n)

 

My arithmetic Sequence: 5, 10, 15, 20, 25

t_1=5 t_{50}=? S_{50}=?

d = 5

 

t_{50}=5+(50-1)5 t_{50}=250

 

S_{50}=\frac{50}{2}(5+50) S_{50}=25(55)

 

S_{50}= 1375 t_{50}=250

 

 

 

 

 

Posted in Math 11 | Tagged sequences | Leave a reply

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