Question

Is this a trinomial square?
4r^2+4r+1

Answer 1

Yes!

Answer 2

\[4r^2+4r+1\]


\[4r^2+2r+2r+1\]


\[2r(2r+1)+1(2r+1)\]


\[(2r+1)(2r+1)\]


\[(2r+1)^2\]


So because \[4r^2+4r+1=(2r+1)^2\] this is a perfect square trinomial.

Answer 3

\[(2r + 1)^2\]

Answer 4

Good Job Jim : )

Answer 5

Jim owns math