A parabola has a line of symmetry x = -5. The minimum value of the quadratic function that it represents is -7. Find a possible equation of this parabola and explain how you found it
hello : the parabola's equation is : f(x) = a(x-h)²+k the verex is (h,k) line of symmetry x = h The minimum or maximum value is : k a possible equation of this parabola is : f(x) = a(x+5)²-7
