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anonymous
 one year ago
Expeess the series 1+4+9+16 using sigma notation
anonymous
 one year ago
Expeess the series 1+4+9+16 using sigma notation

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Empty
 one year ago
Best ResponseYou've already chosen the best response.2Ahhh this is a fun one! Any ideas? Give it your best shot and guess and I'll help you understand. I remember when I first saw sigma notation I didn't understand it either, but through guessing I can understand where you need help in understanding.

skullpatrol
 one year ago
Best ResponseYou've already chosen the best response.0$$\Huge1^2 = 1$$$$\Huge2^2 = 4$$$$\Huge3^2 = 9$$$$\Huge4^2 =16$$

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Do i add 1+4+9+16 by any chance? Sorry i dont remember how to do this

skullpatrol
 one year ago
Best ResponseYou've already chosen the best response.0Sigma notation is a shorthand way of writing: n + (n+1) + (n+2) + ...

skullpatrol
 one year ago
Best ResponseYou've already chosen the best response.0"Sigma" means "sum"

skullpatrol
 one year ago
Best ResponseYou've already chosen the best response.0dw:1436362346004:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.01+4+9+16 =30 So n^2 has to equal 30 too?

skullpatrol
 one year ago
Best ResponseYou've already chosen the best response.030 is what the sum equals.

skullpatrol
 one year ago
Best ResponseYou've already chosen the best response.0dw:1436362667428:dw

skullpatrol
 one year ago
Best ResponseYou've already chosen the best response.0dw:1436362706460:dw

skullpatrol
 one year ago
Best ResponseYou've already chosen the best response.0recall: 4! = 1*2*3*4 = 24

skullpatrol
 one year ago
Best ResponseYou've already chosen the best response.0that^ is called factorial notation

skullpatrol
 one year ago
Best ResponseYou've already chosen the best response.0sigma notation uses pluses

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So is the answer is n^2=30?

skullpatrol
 one year ago
Best ResponseYou've already chosen the best response.0dw:1436441192523:dw
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