noemirochaaa111 noemirochaaa111
  • 31-10-2020
  • Mathematics
contestada

Which of the following polynomial functions has zeros at 7 and -7?

y = (x − 7)2
y = (x + 7)2
y = (x − 2)7
y = (x + 7)(x − 7)

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sqdancefan
sqdancefan sqdancefan
  • 31-10-2020

9514 1404 393

Answer:

  y = (x + 7)(x − 7)

Step-by-step explanation:

If 'a' is a zero, then (x -a) is a factor.

If 7 and -7 are zeros, then (x -7) and (x +7) are factors. The appropriate choice is ...

  y = (x + 7)(x − 7)

Answer Link
jessicaagabrielaa5 jessicaagabrielaa5
  • 18-05-2021

Answer:

D

Step-by-step explanation:

y = (x+7) (x-7)

Answer Link

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