Question

Quadratic Equation HELP?
My quadratic equation(for a parabola) is:
y-.5=-.5(x-.5)^2 +6.5

1)explain the best method of finding the x-intercepts algebraically.

2)Find the x-intercepts, or solutions to the quadratic equation, algebraically using each of the following methods: factoring, the quadratic formula, and completing the square. If a method cannot be used, explain why. Show all work involved with each method.
Thank you so so so much!