SubArea: Quadratic equations and inequalitiesLevel: AProject ID: 2000004901Accepted: 0Clonable: 0Easy: 1Choose the equation that has no real roots.\( 5x^2 +1 =0\)\( 5x^2 +x =0\)\( 5x^2 -1 =0\)\( 5x^2 -x =0\)
