Algebra 2 Pre-Ap Test Review 3.1-3.3 Woeksheet With Answers (Page 4 of 4) in pdf

Algebra 2 Pre-Ap Test Review 3.1-3.3 Woeksheet With Answers Page 4

Graphing Calculator Portion:

13. The bar graph shows the average number of hours per person per year spent on the Internet in the United

States for the years 1997-2001. Let x be the number of years since 1997. (1997 is x = 0)

13a. Use the graphing calculator to find the best-fitting quadratic model for the data. (Round to three decimal

places.)

13b. Use the model to predict the average number of hours a person will spend on the Internet in 2015.

14. A pumpkin tossing contest is held each year in Morton, Illinois, where people compete to see whose capital

will send pumpkins the farthest° One catapult launches pumpkins from 25 feet above the ground at a speed of

125 feet per second. The table shows the horizontal distance ( in feet) the pumpkins travel when launched at

different angles.

Angle

(degrees)

Distance

372

462

509

501

437

323

(feet)

14 a. Use the results from the regression shown to find the best-fitting quadratic model for the data. Round to

three decimal places.

14 b. Use the model to determine at what angle the pumpkin travels the farthest.

Algebra 2 Pre-Ap Test Review 3.1-3.3 Woeksheet With Answers Page 4