Question

how woud you get the discriminant of 3x^2-k+2kx-2x

Answer 1

compare ur expression to ax^2 + bx + c
the discriminant = b^2 - 4 ac
in the above case this is
(2kx-2x)^2 - 4 * 3 * (-k)

Answer 2

3x^2+x(2k-2)-k
discrimnant is (2k-2)^2-4(3)(-k)

Answer 3

Thanks Guys...

Answer 4

also know as
\[4k^2+4k+4\]