Question

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

Answer 1

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