SOLUTION: For what value of k will the roots of 4x^2 + 4x + k be equal?

SOLUTION: For what value of k will the roots of 4x^2 + 4x + k be equal?

Algebra.Com

Question 367622: For what value of k will the roots of 4x^2 + 4x + k be equal?
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
The discriminant has to be 0. . This gives 16 = 16k, or k = 1.
RELATED QUESTIONS
For what value of K will the roots of the Equation 2x^2-4x+K=0 be REAL AND... (answered by stanbon)

For which value(s) of k will the roots of 4x^2 + kx + 1 = 0 be real and... (answered by stanbon)

For what value of k are the roots of 2x^2-8x+k=0... (answered by robertb)

Find one value of k for which the given equation has equal roots:... (answered by Alan3354,MathTherapy)

Solve for the value of k that will make the roots of the function be real and equal:... (answered by josgarithmetic)

a)What is the value of k if x=3 is a root of 2x^2 - kx - 3=0 ? b)Determine the value(s)... (answered by richwmiller,drk)

for what value of K are the qd. equation (k+4)x^+(k+1)x+1=0 has equal roots. (answered by mananth)

What value of K will the roots of the equation 2x^2-3x+K=0 be imaginary? (answered by Theo)

for what values of k will the equation y^2 - 15 = k(2y - 8) have equal... (answered by Alan3354)