Quadratic Help needed

Posts 13 of 3 · Page 1 of 1
Quadratic Help needed
I have to find what value of k are the roots imaginary for
y = -x^2+4x+k

please help? i have a major test to take tomorrow and blew off all my hw to surf MPGH haha.

zen.
I know it's a tad bit late, but for any future problems:
THank you coeus
Posts 13 of 3 · Page 1 of 1
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