What is the equation of a parabola with its vertex at the origin and its focus at (–2, 0)? ?
A) y2 = 8x

B) y2 = -8x

C) x2 = 8y

D) x2 = -8y

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )