anonymous
  • anonymous
What polynomial has roots of -4, 2, and 5 ? a. x3 - x2 - 22x + 40 b. x3 + x2 - 22x - 40 c. x3 + 3x2 - 18x - 40 d. x3 - 3x2 - 18x + 40 Which of the following is a polynomial with roots -3, -3i, and 3i ? a. x3 + 3x2 + 9x + 27 b. x3 - 3x2 + 9x - 27 c. x3 + 9x2 + 9x + 81 d. x3 - 9x2 + 9x - 81 What are the possible number of negative zeros of f(x) = -2x7 - 2x6 + 7x5 - 7x4 + 4x3 + 4x2 ? a. 7, 5, 3, or 1 b. 3 or 1 c. 2 or 0 d. 2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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misty1212
  • misty1212
HI!!
anonymous
  • anonymous
Hi!
misty1212
  • misty1212
first one, multiply \[(x+4)(x-2)(x-5)\]

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anonymous
  • anonymous
I dont know how
misty1212
  • misty1212
then you can't do it
misty1212
  • misty1212
but you can cheat http://www.wolframalpha.com/input/?i=%28x%2B4%29%28x-2%29%28x-5%29
misty1212
  • misty1212
second one multiply \[(x+3)(x^2+9)\] if you don't now how, cheat like i showed you
anonymous
  • anonymous
Okay i did
anonymous
  • anonymous
What do i do to find the zeros? @misty1212

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