How to use this tool
Check the units, enter your values, and run the tool. Results follow the assumptions and method below.
Calculation method
Vertex-form coefficient a
aVertex x
-b/(2*a)Vertex y
c-b^2/(4*a)Completing the Square Calculator
Complete the square into a(x−h)²+k; a≠0.
Complete the square into a(x−h)²+k; a≠0.
Result
Enter your values and run the tool to see your result.