shadowthedemon1
shadowthedemon1 shadowthedemon1
  • 23-03-2021
  • Mathematics
contestada

3x^2−25x = −28


Select all of the following that are roots of the above polynomial.

Question 1 options:



−4/3


-28


7


4/3


28

Respuesta :

kllide kllide
  • 24-03-2021

Answer:

im pretty sure its 7 and 4/3

Step-by-step explanation:

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Answer Link
DWRead
DWRead DWRead
  • 26-03-2021

Answer:

Step-by-step explanation:

3x² - 25x = -28

3x² - 25x + 28 = 0

Quadratic formula

x = [25 ± √(25² – 4·3·28)] / [2·3]

 = [25 ± √289] / 6

 = [25 ± 17] /6

 = 4/3, 7

Answer Link

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