Question

If the roots of the quadratic equation 5x^2-8x4k=0 are equal, then find the value of "k"

Answer 1

Step-by-step explanation:

If the roots of quadratic equation are equal then the discriminant value of quadratic equation is equal to zero.

b²-4ac=0

b=-8, a=5, c=4k

(-8)²-4(5)(4k)=0

64-80k=0

64=80k

4/5=k

Answer 2

Answer:

answer attached in photo