Question

16) The quadratic equation has maximum number of roots :*
OA) 0
OB) 1
O C) 2
OD) 3
the quadratic equation 2x2 - kx + k = 0 has​

Answer 1

The answer is option c)2

Answer 2

$\huge \rm \color {red} \: answer$

For equal roots, discriminant D of equation 2x²+kx+k=0, should be zero.

D=k² −4(2)(k)=0

k² −8k=0

k(k−8)=0

k=0,8