askme12345
  • askme12345
Logic problems
Mathematics
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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askme12345
  • askme12345
So the social security polynomial : ssn(x)= (x-a1)(x+a2)(X-a3) (x+a4).. *and so on* Suppose your SS# is 121-21-2121. How many other people could have the same polynomial?
Hero
  • Hero
There's something about this question that I don't like.
askme12345
  • askme12345
Lol - I agree. If your willing to try, I can explain furthur

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Hero
  • Hero
Explain further anyway. Something might click
askme12345
  • askme12345
So everyone recieved a unique code that they called their "social security number" they had to plug that code into a equation called SSN(x)=(x-a1)(x+a2)(x-a3) and so on.. then a few questions were asked : a) suppose you have a SS number in which the digits a1,a3,a5,a7 are all different (accroding to the equation they are all negative) and a2,a4,a6,a8 are all different (positive) Give two SS numbers that have the same ssn(x) polynomial. and then this question b) Suppose your SSN is 121-21-2121. What would your polynomial be - It would be ssn(x)=(x-1)(x+2)(x-1)(x+2) and so on, how many other people could have the same SSN(X)?
Hero
  • Hero
What course are you currently taking?
askme12345
  • askme12345
Pre-Calculus
Hero
  • Hero
Is this question from a pre-calculus textbook? Is there a textbook associated with the course?
askme12345
  • askme12345
No, it was a project. The full handout is posted online if you want a full look
Hero
  • Hero
Okay
Hero
  • Hero
link?
askme12345
  • askme12345
https://docs.google.com/viewer?a=v&q=cache:x61kD6UwRJ0J:lshs.leesummit.k12.mo.us/sbrackman/PreCalculus/Worksheets/PC%25201st%2520Sem%2520Project.doc+&hl=en&gl=us&pid=bl&srcid=ADGEESgG3zBU5DJui-CXq50Dyz7X9GN6xFs7qSPKH35lO29fowclovNOsgh608x8cXq4NADjkXlPGWrCfx9JlFtqA0v7EF276towh0stiGcYcscG6slmwaPWCPmK9dDyrBU995PlG0PU&sig=AHIEtbTwnI9PIAIB07cEBVhdWeMqSCEk6w
Hero
  • Hero
I don't think I like this project. But this particular question seems to be about combinations and permutations
Hero
  • Hero
How many different ways can you write 121-21-2121 ?
Hero
  • Hero
if order doesn't matter
askme12345
  • askme12345
hmm - I know its plenty. Not sure how to approch this with a formula rather than writing it all out

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