Verified answer

lol if you want an accurate score, shouldn't you just do the quiz without help?

anyhoo, here's how I would do it:

when it says no real solutions, it's saying that there can be imaginary solutions instead. to get an imaginary solution, you can use the quadratic formula and see what values of c will make the number under the radical a negative (because you can't get a real solution from a radical of a negative number)

x = [-6 +/- sq.root(36-4c)]/2

the rest of the equation besides what's being square rooted is irrelevant, so just focus on the sq. root(36-4c)

to get the number there negative and thus not real, you have to fund what values of c will make 36-4c less than zero

36-4c < 0

36 < 4c

c > 9

so, for all values of c greater than 9, that equation will have no real solutions.

hope that was right

For any values such that the square root of (36-4c)<0