Question

For what value of k does the quadratic equation for x square - 12 x minus k equals to zero have no real roots.?

Answer 1

Explanation:

condition for k is k less than -36

Answer 2

Answer:

=x2-12x-k

D=b2-4ac

=-12 square - 4(1) (-k)

=144+4k

4k=-144

k=-144/4

k=-36.