1. Algebra 2 13 January 2011

2. Given the following ages of staff members at Marshall High School, find the average. 22, 25, 28, 33, 38, 43, 45, 46, 53 A.35.5 B.37 C.38 D.40.5 E.44

3. If a = 5 and b = -9, then the value of 2a 2 + 4ab + b 2 = ? A.-211 B.-49 C.81 D.-102 E.-188

4. You scored an 94% on last year’s math final. The final had 50 questions. How many questions did you get correct? A.94 B.54 C.47 D.44 E.40

5. 0.003 + 4.1 = ? A.4.003 B.4.1003 C.4.13 D.4.103 E.4.4

6. The Chicago Bears football team won 7 out of 16 games last year. What percent of their games did they win, rounded to the nearest percent? A.41% B.42% C.43% D.44% E.45%

7. What is the slope of the line determined by the equation 4x +2y = 6 ? A.-2 B.-½ C.½ D.2 E.3

8. If x = 9, then 19 + x 3 = ? A.46 B.748 C.100 D.739 E.5994

9. To make space for new merchandise, a clothing store offered a 25% discount on all merchandise. What was the discount on a pair of slacks that regularly sold for $40? A.30 B.25 C.20 D.10 E.5

10. 3(x – 5) – 2(4 – x) = 2 1.x = 4 2.x = 5 3.x = 6 4.x = -5 5.x = -4

11. Which of the following points in the standard (x,y) coordinate plane has the coordinates (8,2)? A.A B.B C.C D.D E.E

12. How many lines in the standard (x,y) coordinate plane have slope equal to ¾ ? A.0 B.1 C.2 D.4 E.An infinite number

13. If 7.2x = 100.8, then x = ? A.10 B.11 C.12 D.13 E.14

14. If 10x – 10 = 50, x = ? A.4 B.6 C.8 D.10 E.12

15. If 3x + 20 + 4x – 10 = 59, x = ? 1.x = 28 2.x = 6.86 3.x = 7 4.x = 6.85 5.x = 4

16. Find the area of the rectangle shown below, in square centimeters. A.24 B.1200 C.13,824 D.576 E.331,776

17. One solution to the equation 4x 2 + 6xy – 14 = 0 is x = 6. What is the value of y ? A.-2 B.-7 C.-13 D.-17 E.-26

18. Given the following two points, find the slope of the line between them: (2,5) and (9,10) A.2/5 B.5/7 C.5/2 D.7/5 E.9/7 Hint: m =

19. If x + 4 = 10, then x = ? A.18/8 B.16/3 C.12 D.14 E.16

20. -2(2x + 4) + 3(x – 1) = -18 1.x = 7 2.x = 10 3.x = -8 4.x = -7 5.x = -10

21. Anna’s grades from the fall semester are shown below. Calculate her GPA Cheng, AnnaFall Semester Algebra Chemistry English French Am. History ACBABACBAB A.3.5 B.3.4 C.3.2 D.3.0 E.2.4