14
Algebra 2 CP NAME_______________________ Semester 2 Exam June 2015 DATE________________ HR____ Part 1 PRACTICE You may use a calculator. Please show all work directly on this test. Carefully mark each of your final answers on the scantron form. Remember, the scantron machine is extremely sensitive, so erase thoroughly. GOOD LUCK! Do Your Figuring Below 1. Using the right triangle, find the value of csc . A. 13 5 B. 5 13 C. 13 12 D. 12 13 2. An airplane making its descent towards the ground makes an angle of descent of 5 with the ground. If the airplane is 1000 feet from the airport, how high is it above the ground? A. 87.5 feet B. 11,430 feet C. 11,473.7 feet D. 1,003.8 feet CONTINUE TO NEXT PAGE 13 x 5

Algebra 2 CP NAME Semester 2 Exam June 2015 DATE HR Part 1 ... · 10. Orange Leaf Frozen Yogurt offers fourteen ice cream flavors, ten toppings, and three sauces. How many different

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  • Algebra 2 CP NAME_______________________

    Semester 2 Exam – June 2015 DATE________________ HR____

    Part 1 PRACTICE

    You may use a calculator. Please show all work directly on this test. Carefully mark each of your final

    answers on the scantron form. Remember, the scantron machine is extremely sensitive, so erase

    thoroughly. GOOD LUCK!

    Do Your Figuring Below 1. Using the right triangle, find the value of csc .

    A.

    13

    5

    B.

    5

    13

    C.

    13

    12

    D.

    12

    13

    2. An airplane making its descent towards the ground

    makes an angle of descent of 5 with the ground. If the

    airplane is 1000 feet from the airport, how high is it

    above the ground?

    A. 87.5 feet

    B. 11,430 feet

    C. 11,473.7 feet

    D. 1,003.8 feet

    CONTINUE TO NEXT PAGE

    13

    x

    5

  • 3. Solve the following triangle for

    Do Your Figuring Below

    A. 22°

    B. 20.6°

    C. 68°

    D. 69.4°

    4. Suppose is an angle in standard position whose

    terminal side is in Quadrant II. Find the value of tan

    given sin 𝜃 =5

    13.

    A.

    12

    5

    B.

    12

    5

    C.

    5

    12

    D.

    5

    12

    5. Find the exact value of 4

    7sec

    .

    A.

    2

    2

    B.

    2

    2

    C.

    2

    D. 2

    CONTINUE TO NEXT PAGE

    9 24

  • Do Your Figuring Below 6. Given the following triangle where ,98C ,16A

    and c = 32, find the length of side a to the nearest tenth.

    A. 0.495

    B. 8.9

    C. 7.29

    D. 197.0

    7. Given the following triangle where a = 17,

    b = 23, and c = 12, find the measure of the largest angle.

    A. 21.2

    B. 103.6

    C. 76.4

    D. 113.8 8. Identify the amplitude and period of the given

    trigonometric equation: 3

    2sin3y

    A. amplitude: 3 Period: 3 B. amplitude: 3 Period: ⅔ C. amplitude: - 3 Period: 3 D. amplitude: - 3 Period: ⅔

    CONTINUE TO NEXT PAGE

    C

    A

    B

    B

    A C

  • Do Your Figuring Below 9. Describe the translations of the function cosy to

    bay cos

    A. Right a up b

    B. Right a down b

    C. Left a up b

    D. Left a down b

    10. Orange Leaf Frozen Yogurt offers fourteen ice cream

    flavors, ten toppings, and three sauces. How many

    different ice creams can you make provided you choose

    one of each?

    A. 27

    B. 182

    C. 420

    D. 560

    11. How many ways can you select a committee of nine

    students from a group of seventeen?

    A. 8,821,612,800

    B. 153

    C. 24,310

    D. 3,719,430

    12. There are 20 students in a local math competition. In how

    many different ways can first, second, and third place be

    awarded?

    A. 1,140

    B. 6,840

    C. 60

    D. 23

    CONTINUE TO NEXT PAGE

  • 13. How many five-card hands can you hold if you must have

    three kings or four aces? Do Your Figuring Below

    A. 54,144

    B. 1,176

    C. 1,181

    D. 4,560

    14. Given a standard die, find the probability of rolling an

    even and then a three.

    A.

    12

    1

    B.

    3

    2

    C.

    4

    1

    D.

    3

    1

    15. In a bag of marbles, there are 13 blue, 6 red, and 5 green.

    Find the probability of drawing a blue, then a blue, then a

    red if replacement does not occur.

    A.

    12144

    1

    B.

    2304

    169

    C.

    506

    39

    D.

    936

    1

    CONTINUE TO NEXT PAGE

  • 16. The odds in favor of an event are 2:5. Find the

    probability of the same event. Do Your Figuring Below

    A.

    5

    2

    B.

    7

    2

    C.

    2

    5

    D.

    7

    5

    17. Identify the vertical and horizontal asymptotes of the

    following rational equation: 94

    62

    2

    x

    xxy

    A. Vertical:

    2

    3x Horizontal: y = 4

    B. Vertical:

    2

    3x Horizontal: y =

    4

    1

    C. Vertical: 2,3x Horizontal: y = 4

    D. Vertical: 2,3x Horizontal: y =

    4

    1

    18. Simplify: 862

    82

    5

    1052

    2

    xx

    xx

    x

    x

    A.

    x

    x 12

    B. 22 x

    C.

    1

    222

    xx

    x

    D. 1x

    CONTINUE TO NEXT PAGE

  • 19. Simplify: xx

    5

    3

    2

    Do Your Figuring Below

    A. 3

    11

    x

    B.

    3

    17

    x

    C.

    357

    xx

    x

    D.

    3157

    xx

    x

    20. Simplify: 24

    42

    x

    x

    x

    A.

    22422

    xx

    xx

    B.

    2262

    xx

    x

    C.

    2262

    xx

    x

    D.

    2222

    xx

    xx

    21.

    Solve: 81152

    1

    x

    x

    x

    A. x = 4, -1

    B. 1x

    C.

    3

    1x

    D. 4,1x

    CONTINUE TO NEXT PAGE

  • 22. Solve:

    1

    65

    1

    72

    xx

    Do Your Figuring Below

    A. ,

    5

    3x -2

    B. ,

    5

    2x - 2

    C. ,

    5

    2x 2

    D. ,

    5

    3x 2

    23. Find the next three terms of the following sequence:

    0,2

    3,

    4

    3, …

    A. 6 ,

    3

    8

    3

    10

    B. ,2 ,

    3

    8

    3

    10

    C. ,

    3

    5 ,

    3

    7 3

    D. ,

    3

    5,

    3

    8

    3

    10

    24. Write a rule for the nth

    term of the sequence,

    given: -6, -4, -2,…

    A. an = 2n – 8

    B. an = -2n + 2

    C. an = n + 2

    D. an = n – 2

    CONTINUE TO NEXT PAGE

  • 25. Write a rule for the n

    th term of the arithmetic sequence:

    a1 = -4 and a5 = 16. Your Figuring Below

    A. an = 5n

    B. an = 5n + 1

    C. an = 5n – 9

    D. an =

    5

    21

    5

    1n

    26. Find Sn for the following:

    6

    2

    14n

    n

    A. 24

    B. 20

    C. 102

    D. 85

    27. Write a rule for the n

    th term of the series, given: ,2 ,2

    22 ,…

    A. 12 nna

    B. 12 nna

    C. 122 nna

    D. 122 nna

    28. Find Sn for the following:

    5

    1

    1

    3

    12

    n

    n

    A.

    81

    242

    B.

    81

    605

    C.

    243

    322

    D.

    81

    1 CONTINUE TO NEXT PAGE

  • 29. Find the sum for the following:

    1

    1

    3

    44

    n

    n

    Your Figuring Below

    A. Infinity

    B. No Sum

    C. 12

    D. -12

    30. Find the next three terms of the sequence for which a1 = 5

    and an = 2an – 1 +3n

    A. 16, 41, 94

    B. 13, 32, 73

    C. 5, 16, 41

    D. 8, 25, 62

    31. Identify the Vertices of the following equation:

    1

    25

    4

    9

    222

    yx

    A. (2, 5) and (2, -5)

    B. (3, -4) and (3, 4)

    C. (2, -9) and (2, 1)

    D. (-1, -4 ) and (5, -4)

    32. Identify the Vertices of the following equation:

    1

    25

    4

    9

    222

    yx

    A. (2, 5) and (2, -5)

    B. (3, -4) and (3, 4)

    C. (2, -9) and (2, 1)

    D. (-1, -4 ) and (5, -4)

    CONTINUE TO NEXT PAGE

  • 33. Identify the slopes of the asymptotes of the following

    equation: 18116

    22

    yx

    Your Figuring Below

    A.

    9

    4

    B.

    4

    9

    C.

    81

    16

    D.

    16

    81

    34. Determine the directrix and focus of the following

    equation: 3415

    1 2 yx

    A.

    Directrix: y = 2

    Focus: (1, -8)

    B.

    Directrix: y = -8

    Focus: (1, 2)

    C.

    Directrix: x = 6

    Focus: (-4, -3)

    D.

    Directrix: x = -4

    Focus: (6, -3)

    35. Write the equation of a parabola with a Focus (-5, 1) and

    Directrix of x = 3.

    A. 1161 2 xy B. 1161 2 yx C. 1161 2 xy D. 1161 2 yx

    36. Write the equation of a circle with center (-5, -2) and a

    point on the circle (-3, 4)

    A. 4025 22 yx B. 4043 22 yx C. 2525 22 yx D.

    2543 22 yx

    END OF PART 1.

  • Algebra 2 CP NAME_______________________

    Semester 2 Exam – June 2015 DATE________________ HR____

    Part 2 PRACTICE

    Directions: Work out each question slowly and carefully. You MAY write on the test. Show all of your

    work for full credit! GOOD LUCK!

    For #1, evaluate all six trig functions.

    Evaluate all six trig functions of given 𝜃 =3𝜋

    2.

    sin 𝜃 = _____________ cos 𝜃 = _____________ tan 𝜃 = _____________

    csc 𝜃 = _____________ sec 𝜃 = _____________ cot 𝜃 = _____________

    For #2, Find angle .

    In Δ ABC, 23A , b = 17, and c = 8. Find a.

    Answer = ________________________

    For #3, Graph the following trigonometric equation.

    Graph: 14

    2sin2

    xy

    amp: ______________

    Period:_____________

    Phase Shift:_________

    Vertical Shift:_______

    For #4, given: A Standard Deck of Cards.

    You are creating a five card hand. How many different combinations exist if you must have at least three

    queens?

    Answer:____________________________

    A B

    C

  • For #5, Find the x-intercepts and the y-intercepts of the following function

    51

    2

    xy

    x-intercept:_________________________ y-intercept:______________________________

    For #6, Solve.

    3

    7

    2

    1

    65

    32

    xx

    x

    xx

    Answer:________________________________

    For #7, Write a Rule.

    Write a rule for the nth

    term of the arithmetic sequence: a3 = 94 and a6 = 85

    Answer = ________________________

    For #8, Find all necessary information and graph.

    3122 xy

    Vertex:_____________________

    Focus:______________________

    Directrix:___________________

    Axis of Symmetry:____________

  • Answers

    1. D 2. A 3. C 4. A 5. D 6. B 7. B

    8. A 9. D 10. C 11. C 12. B 13. D 14. A

    15. C 16. B 17. B 18. A 19. D 20. A 21. A

    22. D 23. B 24. A 25. C 26. D 27. C 28. A

    29. B 30. A 31. C 32. D 33. A 34. A 35. A

    36. A

    1. sin 𝜃 = −1 cos 𝜃 = 0 tan 𝜃 = 𝑈𝑁𝐷𝐸𝐹 csc 𝜃 = −1 sec 𝜃 = 𝑈𝑁𝐷𝐸𝐹. cot 𝜃 = 0

    2. 10.1 3. Amp = 2, Per = π 4. 4512 Hands 5. (7/5, 0) and (0, -7)

    PS = left π/4

    VS = down 1

    6. x = 7 7. an = -3n + 97 8. Vertex: (-3, 0) Focus: (-6, 0)

    Directrix: x = 0 AoS: y = 0