Forgot password? New user? Sign up

Existing user? Log in

Define a family of quadratic functions by $f_c(x) = cx^2 - 2cx - c^2 + 6$ for every real number $c$.

What is the smallest value of $c$ for which the equation $f_c(x) = 0$ has at least one real solution?

Problem Loading...

Note Loading...

Set Loading...