... 10 – 3 + 5 = –13
47. The correct answer is (B) r
1
+ r
2
= p and r
1
r
2
= q
Then (r
1
+ r
2
)
2
= p
2
or r
1
2
+ r
2
2
+ 2r
1
r
2
= p
2
Thus r
1
2
+ r
2
2
= p
2
– 2q
48. The correct ... 20
(E) 24
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46. The correct answer is (E) The remainder is 5(–1)
2n+1
– 10(–1)
2n
+ 3(–1)
2n–1
+ 5.
Since 2n + 1 a...
... root.
2. The correct answer is (E).
1. B
2. E
3. E
4. D
5. C
6. B
7. B
8. D
9. C
10. A
11. B
12. E
13. E
14. E
15. C
16. E
17. A
18. B
19. A
20 . D
21 . B
22 . E
23 . B
24 . D
25 . C
26 . B
27 . E
28 . C
29 . ... DAWN?
(A) 11. 57
(B) 13.64
(C) 14.63
(D) 17 .25
(E) 20 .00
45. If log
6 .2
x = e, what is the approximate value of x?
(A) 1 42. 54
(B) 173 . 82
(C) 22 7. 31...
... inches.
1. B
2. A
3. B
4. C
5. E
6. D
7. C
8. D
9. D
10. A
11. E
12. D
13. D
14. B
15. C
16. D
17. E
18. B
19. C
20 . A
21 . E
22 . C
23 . D
24 . B
25 . A
26 . B
27 . C
28 . B
29 . D
30. D
31. B
32. A
33. ... (B).
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27 . The correct answer is (C). Longest dimension is along the diago...
... (ln x
2
)(e
2y
), what is the approximate value of ?
(A) 23 .45
(B) 24 .35
(C) 25 .34
(D) 25 .43
(E) 27 .25
Part VI 276
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28 . The correct answer is (C).
29 . The ... B
6. E
7. E
8. C
9. D
10. B
11. C
12. E
13. C
14. D
15. A
16. D
17. D
18. A
19. A
20 . B
21 . C
22 . D
23 . B
24 . C
25 . B
26 . D
27 . D
28 . D
29 . C
30....
... ■ SAT II Math
8. On the line y = 2x – 1, what is the approximate distance between the points where x = 1 and x = 2?
(A) 2. 24
(B) 2. 27
(C) 2. 31
(D) 2. 42
(E) 2. 45
9. In the formula
s =
1
2
gt
2
, ... II Math
PRACTICE TEST 4
Answer Key
Math Level IC
1. B
2. A
3. C
4. E
5. C
6. A
7. E
8. A
9. B
10. C
11. E
12. D
13. E
14. C
15. A
16. B
17. D
18. E
19. C
20 ....
... D
16. A
17. E
18. C
19. A
20 . B
21 . D
22 . A
23 . C
24 . B
25 . C
26 . C
27 . E
28 . B
29 . D
30. A
31. C
32. C
33. C
34. B
35. E
36. B
37. C
38. B
39. C
40. B
41. A
42. B
43. D
44. B
45. C
46. A
47. B
48. ... root
2. If
(A)
(B)
(C)
(D)
(E) none of these
Mathematics Tests 21 9
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38.
I: f(x)
II: f(–x)
II...
... terms:
I—natural number
II imaginary number
III—rational number
IV—integer
(A) I, IV, III, II
(B) I, II, III, IV
(C) I, III, II, IV
(D) IV, I, III, II
(E) I, IV, II, III
17. If the reciprocal of ... = 21 –x, and PS = h.
By the Pythagorean Theorem
h
2
+ x
2
= 100 and h
2
+ (21 – x)
2
= 28 9
Subtract the first equation from the second.
Thus,
Part V2 02
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... ■ SAT II Math
PRACTICE TEST 2
Answer Key
Math Level IC
1. C
2. A
3. E
4. A
5. D
6. E
7. B
8. D
9. D
10. C
11. E
12. B
13. C
14. E
15. C
16. D
17. D
18. C
19. C
20 . B
21 . A
22 . D
23 . C
24 . C
25 . ... 422
(B) 8 42
(C) 20 02
(D) 25 22
(E) 51 02
42.
(A) 48
(B) 54
(C) 11 52
(D) 128
(E) 72
43. In a class of 25 0 students, 175 take mathematics and 1 42 take sci...
... = log 2 + log x + log y
4. The correct answer is (C). From the graph, 2
0
= 1, 2
1
= 2, 2
2
= 4 and 2
3
= 8 where y is the
exponent and x is the power of 2.
Thus, 2
y
= x or y = log
2
x
5. ... cot x is positive in Quadrant III, so that cot 20 8° is positive.
cot 20 8° = cot (20 8° - 180°) = cot 28 °
17. The correct answer is (2) .
Graph y = 2 sin x and y = cos 2x o...
... D
16. A
17. A
18. D
19. E
20 . D
21 . B
22 . B
23 . E
24 . B
25 . D
26 . A
27 . B
28 . D
29 . D
30. D
31. D
32. A
33. B
34. C
35. A
36. D
37. B
38. B
39. C
40. A
41. D
42. E
43. A
44. E
45. D
46. C
47. E
48. ... C
51. E
52. A
53. B
54. D
55. C
56. D
57. A
58. A
59. B
60. A
61. B
62. C
63. E
64. C
65. B
66. D
67. D
68. D
69. A
70 . D
71 . B
72 . E
73 . B
74 . A
75 . B...