tyre2k17
tyre2k17 tyre2k17
  • 01-08-2017
  • Mathematics
contestada

Use synthetic division to find P(–2) for P(x) = x4 + 9x3 - 9x + 2 .




A. –2


B. –36


C. 0


D. 68

Respuesta :

BlueSky06
BlueSky06 BlueSky06
  • 11-08-2017
We are tasked to solve the given expression P(x) = x⁴ + 9x³- 9x + 2 using and applying synthetic division. Well, to answer this problem, we only to substitute the value of x in the P(x) such as the complete solution is shown below:
P(x) = x⁴ + 9x³ - 9x + 2
substitute -2 in x such as:
P (-2) = (-2)⁴ + 9(-2)³ - 9(-2) + 2
P(-2) = 16 - 72 + 18+ 2
P (-2) = -36

The answer is - 36 which is the letter B in the choices.
Answer Link
jbslayt jbslayt
  • 19-07-2018

-36 is the correct answer

Answer Link

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