annjain14 annjain14
  • 03-08-2020
  • Mathematics
contestada

check 3 is a zero of the polynomial p(x)= 3x2-27

Respuesta :

jimrgrant1 jimrgrant1
  • 03-08-2020

Answer:

see explanation

Step-by-step explanation:

If x = 3 is a zero then p(3) = 0 , that is

p(3) = 3(3)² - 27 = 3(9) - 27 = 27 - 27 = 0

Thus x = 3 is a zero of p(x)

Answer Link
devishri1977
devishri1977 devishri1977
  • 03-08-2020

Answer:

Step-by-step explanation:

p(x) = 3x² - 27

p(3) = 3*3² - 27

      = 3 * 9 - 27

     = 27 - 27

    = 0

p(3) =0 . Therefore, 3 is z zero of p(x)

Answer Link

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