Equation for Parabola with Vertex at the Origin Opening Up or Down
Equation for Parabola with Vertex
at the Origin Opening Left or Right
y = ax?
X =
<= ay?
of parabola
of parabola
(0,0) =
(x, y) = any
(0,0) =
(x, y) = any

on the parbola
on the parabola
a = a nonzero number
a - a nonzero number
WILL REPORT

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers.a) one of the 400 passengers is selected uniformly at random.let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem

Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24

Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?