to txuser: As far as I can tell, for Bahamas one neeeds a tourist visa. For Mexico - as long as the cruise is not more than 3 days, one does not need any visa (anyone in the world does not need a Mexico visa for a cruise upto 3 days). For entering back in US, either you can enter on a stamped visa or on AP. Pls check as well.
Discriminant of a Quadratic. The number D = b2 â 4ac determined from the coefficients of the equation ax2 + bx + c = 0. The discriminant reveals what type of roots the equation has. Note: b2 â 4ac comes from the quadratic formula.
Definition of Quotient. When one number (dividend) is divided by another number (divisor), the result obtained is known as Quotient. The quotient can be expressed as the number of times the divisor divides the dividend. Here, when 35 Ã· 7, the quotient would be 5, while 35 would be called the dividend, and 7, the divisor.