1. Algebra 2 Mid-TermReview

2. Simplify: 2/5(10x -15) = 7

3. Simplify: 4(x – 8) – ( - 7 – 9x)

4. Solve: |x + 4|= 7

5. Solve: 4|x – 2|= 5

6. Solve: 7- x 9

7. Solve:

8. Solve: 8|2x – 12|= 3x

9. Show the steps clearly and completely as you solve. Round your answer to three correct decimal places. 14.5 – 3.7x = 8.9x + 23.79

10. Show the steps clearly and completely as you solve and graph the solution.

12. If f(x) = 7x – 8, find f(12)

13. If f(x) = ½(12x – 6) + x 2, find f(12)

14. Which of the following is not a function. A) (9,0),(3,4),(-7,12) B) (4,5), (4,5),(3,-2) C) ( 7,9),(-8,4),(2,9) D) (-6,4),(8,1),(-6,4)

15. Which of the following is not a function. A) (5,1),(13,8),(-7,8) B) (14,0), (14,7),(-3,-9) C) ( -1,9),(-8,9),(12,9) D) (-6,4),(8,1),(9,12)

16. If f(x) = x 2 +9 and g(x) = 4 - 7x find g(f(7))

17. If f(x) = 2x 2 + 4 and g(x) = -5x + 3 find f(g(f(-2))

18. Which of the following is not a function?

19. A) B) D) C) Which of the following is not a function?

20. Which of the following has a range of all real numbers? A)

21. Show the steps carefully and completely as you find the inverse of the function. Graph the equation and the inverse. y = - 4x - 7

22. As a sales person, Eric, Fu is paid a daily salary plus commission. When his sales are $1000 he makes #100. When his sales are $1400, he makes $120. Write a linear equation to model this situation and predict how much he will make if his sales are $2000. p.77 Old Algebra 2 book

23. Namid is examining the calling card portion of his phone bill. A 4-minute call at the night rate cost $2.65. A 10-minute call at the night rate cost $4.75. Write a linear equation to model this situation and use it to estimate the cost of a 30-minute call. p.80 Old Algebra 2 book

24. Find the slope of the line through (3,- 4), (2,-7)

25. Find the equation of a line that is perpendicular to the line that passes through (3,-4), (2,-7) and contains (-3,5)

26. Which of the following is a vertical line that passes through (9,5)?

27. Which of the following is a horizontal line that passes through (-6,3)?

28. Which line is parallel to y = 3/2x -9?

29. Which line is perpendicular to y = 4x + 12?

30. What is the y-intercept of -3x + 4y = 28?

31. Show all your work to find the equation of the line that passes through (-7,3), (-2,5)

32. Show all work to find the intersection of x + 2y = 6 and 2x + y = 9.

33. Show all work to find the intersection of y = x + 3 and y = 2x + 6.