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cooKamorgirl
cooKamorgirl cooKamorgirl
  • 02-07-2016
  • Mathematics
Answered

if a polynomial function f(x) has roots –9 and 7 – i, what must be a factor of f(x)?

Verified Answer :

olemakpadu
olemakpadu olemakpadu
  • 02-07-2016

f(x) has roots -9, and 7 - i.

Therefore  x = -9,                            x = 7 -i

x + 9 = 0                                          x - 7 + i = 0

(x + 9) must be a factor.                (x + i - 7) must also be a factor.


Therefore (x + 9) and (x + i - 7) must be factors.  

Answer Link
rauscpri000 rauscpri000
  • 24-11-2020

Answer:

(x-(7+I))

Step-by-step explanation:

Answer Link

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