SOLUTION: Find the value of k such that z^2+4z+k is a perfect square. k=
Algebra
->
Square-cubic-other-roots
-> SOLUTION: Find the value of k such that z^2+4z+k is a perfect square. k=
Log On
Algebra: Square root, cubic root, N-th root
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Square-cubic-other-roots
Question 42493
:
Find the value of k such that
z^2+4z+k
is a perfect square.
k=
Answer by
Nate(3500)
(
Show Source
):
You can
put this solution on YOUR website!
z^2 + 4z + k
z^2 + 4z + 4
(z + 2)(z + 2)
k = 4