Question

Question #2db17

Answer 1

The values of `k` are `=+-2`

Explanation:

Let's calculate the discriminant

`Delta=b^2-4ac`

`=16-4*k*k`

`=16-4k^2`

If the roots are equal, then

`Delta=0`

`16-4k^2=0`

`k^2=4`

`k=+-2`