Show that the product of the roots of a quadratic equation
is с/a

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

How do you find the circumfrance of a circle?