Question

5. Find the value of k, if the roots of the quadratic equation 2x - 6x+k=0
are real and equal.​

Answer 1

Answer:

k=9/2

Step-by-step explanation:

a=2, b= -6, c=k

b^2-4ac=0 (Since the roots are real and equal)

=> (-6)^2-4×2×k=0

=> 36-8k=0

=> 36=8k

=> k= 9/2