Question

Find value of K if quadratic equation has equal roots
A)x²-2k-6=0





Fast plz

Answer 1

this is your answer...

Answer 2

Hey mate here is your answer---

x²-2k-6=0( has equal roots)

its mean D=0

a=1, b=-2k,c=-6

D=b²-4ac

0=(-2k)²- 4*1*(-6)

0=4k²+24

4k²=-24

k²=-6

k=_+√6

I think it is the answer