Question

The quadratic equation 4x²-kx+25=0 are equal so therefore k is?​

Answer 1

Answer:

k= 20

Step-by-step explanation:

By using

Discriminant formula

that is

b²-4ac>= 0

= k²-4*4*25=0

= k²-400

= k²=400

= k=20

i hope this answer is correct