Quadratic EquationsMenu1DefinitionActivity Set 12Using the Quadratic FormulaActivity Set 13Solving Unorganized EquationsActivity Set 14Positive DiscriminantActivity Set 15Discriminant Is 0Activity Set 16Negative DiscriminantActivity Set 17Coefficient b is 0Activity Set 1Solve the quadratic equation−x2+9=0x=±CheckResetContinue8Coefficient c Equals 0Activity Set 19Boss Battle