galenai galenai
  • 21-04-2020
  • Mathematics
contestada

Evaluate -4n^2+ 11 when n= 3

Respuesta :

itmye84 itmye84
  • 21-04-2020

Since you know the value of n, you can substitute/plug it into the equation:

-4n² + 11          Plug in 3 into "n" since n = 3

-4(3)² + 11       Find 3² -->    3 x 3 = 9

-4(9) + 11       Multiply -4 and 9

-36 + 11

-25

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