What is the Quadratic Formula? Algebra Quadratic Equations and Functions Quadratic Formula 1 Answer Mika · Kevin B. Dec 18, 2014 Suppose you have #ax^2 + bx + c = 0# where a, b and c is any number. Plug these in the quadratic formula: #x= (-b+- sqrt(b^2-4ac))/(2a)# Plug the values and solve for #x#. Answer link Related questions How do you know how many solutions #2x^2+5x-7=0# has? How do you derive the quadratic formula? How is quadratic formula used in everyday life? How do you simplify the quadratic formula? How do you solve #x^2+10x+9=0# using the quadratic formula? How do you solve #-4x^2+x+1=0# using the quadratic formula? When do you have "no solution" when solving quadratic equations using the quadratic formula? How do you solve #4x^2=0# using the quadratic formula? Why can every quadratic equation be solved by using the quadratic formula? How do you solve the equation #3x^2+6x-1=8#? See all questions in Quadratic Formula Impact of this question 14300 views around the world You can reuse this answer Creative Commons License