SOLUTION: Kx^2+kx+5=0 what is the value of "k"

SOLUTION: Kx^2+kx+5=0 what is the value of "k"

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Question 697245: Kx^2+kx+5=0 what is the value of "k"
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

If the discriminant , then the solution will have equal roots or only one solution

here

so

...since product will be equal to zero if

so

then you have:

check if the roots are equal:

.......so, we have only one root

see it on a graph:

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