Stephanie C. answered • 5d

Experienced Math Tutor Specializing in Algebra and Statistics

If we know that -1/4 is a solution to the equation, we can simply plug this value in and solve for c as follows:

4(-1/4)^2 -11(-1/4)+c=0

4(1/16)+11/4 +c =0

1/4 + 11/4 +c =0

12/4 + c=0

3+c=0

c=-3