## WeBWorK Problems

### Re: Checking Quadratic Equations

by Paul Pearson -
Number of replies: 0
Hi Paul,

If a quadratic polynomial has real roots and you make the domain of function evaluation large enough and also specify some known solutions to the equation, then you should be able to use parserImplicitEquation.pl and get robust answer checking:

http://webwork.maa.org/wiki/EquationImplicitFunction1

Best regards,

Paul Pearson