Posted by jackie on Saturday, February 26, 2011 at 11:19am.
for what are value of k are the roots of 3x^26x+k=0 equal?

algebra2/trig  MathMate, Saturday, February 26, 2011 at 1:04pm
For the roots of the quadratic equation
ax^2+bx+c=0
to be equal, the discriminant Δ must equal to zero, where
Δ=b^24ac...(1)
For the given equation
3x^26x+k=0
a=3,b=6, c=k
Substitute a,b,and c in (1), equate to zero and solve for k.
Post your answer for checking if you wish.

algebra2/trig  Bidyut, Monday, January 2, 2012 at 7:41pm
k=6
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