rockets31
  • rockets31
what does the @ sign mean in algebra
Mathematics
jamiebookeater
  • jamiebookeater
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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precal
  • precal
does not have meaning that I am aware of. Did you see it in a SAT question?
rockets31
  • rockets31
no my algebra teacher put it on a worksheet
precal
  • precal
post the question, but you might want to ask you teacher. Maybe it is a typo and they meant the number 2

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rockets31
  • rockets31
a@b =2a/b and a#b- 2a^2 +3b-5 find the value of 3@(2#4)
precal
  • precal
what is a# b - did you mean to write a#b = -2a^2+3b-5
rockets31
  • rockets31
yes sorry
precal
  • precal
well a is your 3 and b is your 2#3 they are using it as a place holder (for a lack of a better word) this means a=3
precal
  • precal
ok Let me work this out for you. In SAT they sometimes use a heart or some type of symbol - means nothing just defines things
rockets31
  • rockets31
ok i get that i just didnt know what to do with the @ sign
rockets31
  • rockets31
thanks for your help
precal
  • precal
ok here it goes a#b=\[-2a^2+3b-5\] 2#4 means a is 2 and b is 4 so sub 2#4=\[-2(2)^2+3(4)-5\]=-1
rockets31
  • rockets31
that makes sense
precal
  • precal
a@b = (2a)/b 3@(2#4)=3@-1 so a is 3 and (2#4) is -1 3@-1=(2*3)/-1=-6
precal
  • precal
have fun, you will see these on SAT's
rockets31
  • rockets31
ok ill try to :)

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