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zigzagoon2000
Group Title
What is the factored form of the expression?
s^4 – 16
A. (s  2)^2(s + 2)^2
B. (s  2)(s + 2)
C. (s  i)(s + i)(s  2)(s + 2)
D. (s  2i)(s + 2i)(s  2)(s + 2)
A, B, C, or D? Please explain (:
 one year ago
 one year ago
zigzagoon2000 Group Title
What is the factored form of the expression? s^4 – 16 A. (s  2)^2(s + 2)^2 B. (s  2)(s + 2) C. (s  i)(s + i)(s  2)(s + 2) D. (s  2i)(s + 2i)(s  2)(s + 2) A, B, C, or D? Please explain (:
 one year ago
 one year ago

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rambo2210 Group TitleBest ResponseYou've already chosen the best response.0
s^2  16 = s^2  4^2 again the same formula a^2 b^2 (s4) (s+4)
 one year ago

rambo2210 Group TitleBest ResponseYou've already chosen the best response.0
because s4 is again (s+2)(s2)
 one year ago

nphuongsun93 Group TitleBest ResponseYou've already chosen the best response.1
\[\huge a^2  b^2 = (a +b)(ab)\]
 one year ago

rambo2210 Group TitleBest ResponseYou've already chosen the best response.0
sorry answer is "D" (s  2i)(s + 2i) =(s+4)
 one year ago

ByteMe Group TitleBest ResponseYou've already chosen the best response.1
\(\large s^416=(s^2)^24^2=(s^24)(s^2+4) \) that first factor is factorable using difference of squares. that second one is factorable involving "sum of squares"
 one year ago

zigzagoon2000 Group TitleBest ResponseYou've already chosen the best response.0
Thanks a lot guys (:
 one year ago
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