The focus of a parabola is (-3,-4). The directrix of the parabola is y=1. What is the equation of the parabola?

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.

Write the standard form of an equation with (see picture below)

Write the point-slope form of an equation of the line through the points (-2, -3) and (-7, 4).