Asked by well

whate must the value of k
2Xsq+(k-3)x+k-5=0 has one real root ? Two real root ?no real root?

Answers

Answered by Reiny
I did this yesterday
http://www.jiskha.com/display.cgi?id=1452172535

For the 2nd and third part set b^2 - 4ac > 0 and then < 0 for two real roots and and no real root respectively.
Answered by Sol
Zed
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