Algebra I Test Chapter 08a MAFS.912.F-F.3.7a: Graph functions expressed symbolically and show key features of the
linear and quadratic functions and show intercepts, maxima, and minima.
Score:
1. Graph the function f(x) = x2 + 2x - 8
y
and use it to answer the

-2
2
Questions 2 and 3.
-2
1. sed
4
4
2
-4
-6
8

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

Asquare has a perimeter of sixteen centimeters. what is the length of each of its sides? a. 8 cm c. 9 cm b. 4 cm d. 10 cm select the best answer from the choices

Consider the image of klmn for the translation (x, y) → (x – 2, y – 1). what is the ordered pair of l′?