Question

What is the value of n x^2 + 11x + n is a perfect trinomial
11
25
30.25
36

Answer 1

divide 11 by 2 then square it

Answer 2

(x + a)^2 = x^2 + 2a + a^2

Answer 3

do you follow the reasoning?

Answer 4

yah sorry im back I had to step out for a moment :)

Answer 5

Oh thanks I was confused by the steps but now I understand more :)

Answer 6

if you compare your trinomial and the identity I posted you see that
2a = 11
and you need to find a^2

Answer 7

Ok thanks I think I got it now :)

Answer 8

yw

Answer 9

It was 30.25 thx for the help you helped me get it right :)