algebra 2 review/math analysis and trig … review...algebra 2 review/math analysis and trig preview...
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Created 2015
NAME __________________________________________
ALGEBRA 2 REVIEW/MATH ANALYSIS AND TRIG PREVIEW
Follow the directions for each problem. Show your work, you may need to do the work on a
separate piece of paper. Circle the best answer for each problem.
1) Which of the following is not a function?
a) (1,1), (2, 2), (3,5), (4,10), (5,15) b) 13 13 17 17(17, ), ( ,17), (13, ), ( ,13)
4 4 4 4
c) (1, 2), ( 2, 0), ( 1, 2), (1,3) d) 2 3 3 2( 3, ), ( 2, ), ( , 5), (5, )
5 5 2 5
2) Simplify: 3- 3
2 + 3
3 5 3 9 5a) 9 5 3 b) c) d) 9 5
7 7
3) Simplify completely: 3 4 524 9x y xy
2 9 2 4 2 3 2 3a) 3x 24y b) 6x y 6y c) 6x y 6 d) 3x y 24
4) Simplify: 10 3 75 2 13i i i
) 5 15 ) 5 11 ) 5 11 ) 5 15a i b i c i d i
5) Solve: 23 12 0x
a) 4 b) i2 c) i4 d) 2
6) Factors of 2 218 21 9a ab b are :
)(6 9 )(3 2 )a a b a b ) 3(2 3 )(3 )b a b a b
)(2 3 )(3 )c a b a b ) 3(2 3 )(3 )d a b a b
7) Factors of 3 27x are:
)( 3)( 3)( 3)a x x x 2)( 3)( 9)b x x
2)( 3)( 6 9)c x x x 2)( 3)( 3 9)d x x x
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8) Solve for a: 2 9 0a a
a) {9, 0} b) {9, -9} c) {-3 , 3} d) {0, 3, -3}
9) Solve for x: 2 8 6x x
a) {8, 1} b) {4, -2} c) {-2, -4} d) {2, 4}
10) Solve the following equation.
2
1
2
2x 3 1 0
3 3 17 3) , 1 ) ) )
4 4 2
17 17
x
a b c d
11) Find the product of (3 5 )(2 8 )x y x y
2 2 2 2
2 2 2 2
) 6 34 40 ) 6 14 40
) 6 40 ) 5 4 13
a x xy y b x xy y
c x xy y d x xy y
12) Find the quotient when you divide 3 23 4 12 16 2x x x by x
2 2 2) 3 2 16 ) 3 2 16 ) 3 10 8 ) 3 8a x x b x x c x x d x
13) Write the equation of the line that passes through the point (-3, 2) and is parallel to the
line 2x – 3y =4.
a) 2x – 3y = 0 b) 2x + 3y + 12 = 0 c) 2x – 3y +12 = 0 d) y = 2 4
3 3x
14) Determine the value of k so that the line through the given points will have the
slope m:
(4, k), (-1, 3k); m = 4
a) -6 b) -10 c) 6 d) 10
15) Solve: 2 3 4 0x x
a) 1, b) ( , 1) (4, ) c) ( , 4) ( 1, ) d) 1,4
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16) Which of the following correctly describes the vertex for the quadratic expression
2( ) 6 8 :
)(17, 3); minimum b) (-3,-17); maximum
c) (17,3); maximum d) (-3,-17); minimum
f x x x
a
17) Simplify: 9 16
a) -12 b) 12 c) -12i d) 12i
18) Simplify: 4 2
7
i
i
a) 15 9
24
i b)
15 9
25
i c)
13 9
25
i d)
13 9
24
i
19) If 1
log 38
n , then n =
a) 512 b) -2 c) 3 d) 2
20) If log( 3) log( 7) log3x x , then x
a) no solution b) 5 c) -12 d) 12
21) If 4x-1 = 8x, then x =
a) 1 b) log 2 c) -2 d) -1
22) Simplify: 2
2 3 12
1 3 2 3x x x x
a) 2
3
2 3x x b)
2
21
2 3
x
x x
c)
1
1x d)
1
1x
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23) Solve: 3 3
21 1
x
x x
a) -1 b) 1 c) No Solution d) 7
2
24) Perform the operation and express in simplest form. 2 24 6
5 10 10 20
x x x
x x
a) 2 2
3
x
x
b)
2
2
2 3 2
50 2
x x x
x
c)
12
3
x
x d) 2
25) Find the solution set for the system of equations: 5x2 = 30 – y2
9x2 – y2 = - 16
a) {(1,5)} b) {(1,5),(-1,-5)}
c) {(1,5),(-1,-5),(-1,3)} d) {(1,5),(1,-5),(-1,5),(-1,-5)}
26) The value of the sum 4
2
2k
k
is
a) 54 b) 81 c) 29 d) 9
27) If the terminal ray of an angle in standard position passes through the point
)1,3( , find the cosine of this angle.
a) –1 b) 2
1 c) 3 d)
2
3 e) None of these
28) In right triangle ABC in which the right angle is at C, if b = 32.6 and mA = 53, find c to
the nearest tenth.
a) 40.8 b) 26.0 c) 19.6 d) 54.2 e) None of these
29) Given 4
sin7
A , find the Atan if the terminal side of A is in quadrant II.
a) 33
334 b)
4
33 c)
4
65 d)
4
33 e) None of these
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30) Identify the period of the function y = 1
cos 24
.
a) 2 b) c) 1
4 d)
1
2 e) None of these
31) Simplify: 2 3 4
4 3 1
42x y z
x y z
a) 6 3
9
42y z
x b)
6 3
1
42x z c)
6
6 3
42y
x z d)
6
8 342
y
x z
32) Find the distance between P(8,-4) and Q(1,8).
a) 89 b) 193 c) 19 d) 13
33) Simplify and rationalize the denominator 5
12
5 5 53 3 2) ) ) )
12 12 6 4
60a b c d
34) Which of the following is not a zero/root of 4 3 2( ) 7 11 7 12f x x x x x ?
) 1 ) 3 ) 3 ) 1a x b x c x d x
35) Which of the following intervals represents the solution set of -3x > 6 or 6x – 3 ≥ 9?
) ( , ) ) ( , 2) [2, ) ) 2, ) ( , 2)a b or c d
36) Find ( )(4)g fo when 3
( ) 1f x x and ( ) 5 3g x x
a) 4914 b) 322 c) 66 d) 1105
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37) Determine the quadrant in which the terminal side of 7
5
lies.
a) I b) II c) III d) IV
38.) Evaluate 5
sin4
a) 2
2 b)
2
2
c)
3
2 d)
3
2
39) Evaluate 11
tan6
a) 3
3
b)
3
3 c) 3 d) 3
40) Find the reference angle for 52
45
a) 45
b)
10
45
c)
45
d)
7
45
41) Simplify the expression sin secx x
a) cot x b) csc x c) tan x d) sec x
42) Simplify the expression cot secxx
a) cot x b) csc x c) tan x d) sec x
43) Find all solutions of 22sin sin 1 0x x on the interval 0,2
a) 7 11
,6 6
x
b) 5 7 11
, , ,6 6 6 6
x
c) 7 11
, ,6 6 2
x
d) 7 11 3
, , ,6 6 2 2
x
44) Find all solutions of tan 3 0x
a) 2 5
,3 3
b)
2𝜋
3+ 𝜋𝑛, 𝑛 ∈ Ζ c)
5𝜋
6+ 𝜋𝑛, 𝑛 ∈ Ζ d)
𝜋
3+ 𝜋𝑛, 𝑛 ∈ Ζ
45) Find the complement of 4
5
a) 5
b)
6
5
c)
5
d) does not exist
Created 2015
I. MATCHING: For each question in Column A choose the best answer from Column B.
COLUMN A COLUMN B
______ 46) 222 ryx A. Point-slope form of a line
______ 47) 12
2
2
2
b
y
a
x B. Equation of an ellipse with center at origin
______ 48) 2 2
2 21
x y
a b C. Definition of slope
______ 49) 2 1
2 1
y ym
x x
D) Equation of a circle with center at origin
______ 50) 1 1y y m x x E) Equation of a hyperbola with center at origin
Open Ended Questions
51) Find the dimensions of a rectangle with minimum perimeter if its area is 200 square
meters. Find the least perimeter. (Hint: Use your graphing calculator to graph the
function to find the minimum values). Round answers three decimal places and give
exact values.
Created 2015
52) From the top of a 100-ft tall building a man observes a car moving towards the building.
If the angle of depression of the car changes from 22 o to 46 o during the period of
observation, how far does the car travel?
53) A total of $12,000 is invested at an annual interest rate of 3%. Find the balance after 5
years if the interest is compounded (a) quarterly and (b) continuously.
54) Given the following function, 2
2
9( )
2 3
xf x
x x
find the following (a) the y intercept
(b) the x intercept(s) and (c) the domain and (d) the range.
22o
46o 100 .ft
x d
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55) Sketch the graph of the quadratic function 2( ) 2 3f x x x
Must plot 5 points including, the vertex, and all
Intercepts.
56) Graph two periods of the function 1
( ) 3sin2
f x
Period: _______________ amp: ______________
Include 5 points on one cycle (initial, first quarter, middle, third quarter and end)
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Solutions
1. C 2. A 3. B
4. C 5. B 6. B
7. D 8. A 9. D
10. C 11. B 12. C
13. C 14. B 15. D
16. D 17. A 18. C
19. D 20. D 21. C
22. B 23. C 24. A
25. D 26. C 27. D
28. D 29. A 30. B
31. C 32. B 33. C
34. B 35. B 36. B
37. C 38. B 39. A
40. D 41. C 42. B
43. C 44. B 45. D
46. D 47. E 48. B
49. C 50. A
51. 14.142l meters, 14.142w meters, 56.569P meters
Exact answers : 10 2l meters, 10 2w meters , P= 40 2 meters
52. x= 150.940 feet
53. a. $13,934.21 b. $13,942.01
54. a. (0,3), b. (-3,0) c. ( , 1) 1,3 3, d. ,1 1,
55.
56. period = 4 , amp=3