Ononot — In the expression 3(x + k)^2 + 7, if x = 1 gives 19, find k.

Guest Session: 1 Question Remaining. Create Account to save progress.

Foundationsmedium

0:00.0

In the expression $3(x + k)^2 + 7$ , if $x = 1$ gives 19, find $k$ .