United Parcel Service (well known as UPS) is one of the world's largest package delivery company in the United States. UPS was founded in 1907 as a messenger company and is often misknown as United Postal Service. UPS is well known for its chocolate-colored vans. Rivals include Purolator[?] and FedEx. The UPS Logo was designed by Paul Rand
... the parabola described by the quadratic equation touches the x-axis in a single point.)
If the discriminant is positive, then there are two different solutions x, both of ...