... has two elements: (3, 4) and (– 4, –3)
Part III 32
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The roots, r
1
and r
2
, of the general quadratic equation ax
2
+ bx + c = 0 are related to the coefficients
of ... called the exponential
function.
Math Review—Illustrative Problems and Solutions 27
ARCO ■ SAT II Math www.petersons.com/arco
2. If y = 3
x
, 3
x +2
=
(A) y
2...
...
x
x
x
x
xx
x
x
x
xx
x
22 2
4
14
1
11
4
1
41
−
⋅
+
=
+
()
−
()
/
⋅
+
=+
()
Part IV1 02
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7. If , what does (1 + i)
2
equal in a + bi form?
8. If f(x) = x
2
– 3x + 2, what ... πr
2
for B in first equation.
V = πr
2
h
Math Practice Exercises and Solutions by Topic 107
ARCO ■ SAT II Math www.petersons.com/arco
8. The correct an...
... Practice Mathematics Tests Level IIC
Practice Test I: Math Level IIC 25 7
Answer Key 26 9
Solutions 26 9
Practice Test 2: Math Level IIC 28 3
Answer Key 29 4
Solutions 29 4
Practice Test 3: Math Level IIC ... 166
Practice Test 2: Math Level IC 181
Answer Key 194
Solutions 194
Practice Test 3: Math Level IC 20 9
Answer Key 22 3
Solutions 22 3
Practice Test 4: Math Level...
... of Cambodia
III. Tet offensive
IV. commitment of U.S. ground troops to the
war in Vietnam
(A) I, II, III, IV
(B) I, IV, III, II
(C) IV, I, II, III
(D) IV, I, III, II
(E) III, IV, I, II
71. The ... A
11. B
12. C
13. B
14. B
15. C
16. B
17. C
18. D
19. D
20 . C
21 . D
22 . A
23 . C
24 . B
25 . C
26 . D
27 . C
28 . B
29 . D
30. B
31. E
32. B
33. B
34. E
35. A
36. E
37. A
38....
... E
11. D
12. E
13. C
14. B
15. A
16. C
17. C
18. E
19. D
20 . A
21 . D
22 . B
23 . C
24 . E
25 . D
26 . C
27 . D
28 . E
29 . E
30. B
31. C
32. A
33. D
34. A
35. D
36. C
37. A
38. D
39. E
40. C
41. D
42. B
43. ... TEST—Continued
22
Peterson’s n SAT II
Success: Biology E/Mwww.petersons.com
20 . Which of the following types of learning
behavior is responsible for allowing you...
... D
11. D
12. B
13. E
14. A
15. C
16. B
17. C
18. B
19. D
20 . B
21 . B
22 . C
23 . E
24 . D
25 . E
26 . D
27 . C
28 . A
29 . E
30. B
31. D
32. E
33. C
34. C
35. D
36. B
37. B
38. E
39. D
40. A
41. C
42. E
43. ... Triangles
(A) none
(B) I only
(C) II and III only
(D) IV only
(E) III only
28 . The equation of the graph in figure 28 is
(A) y = |x|
(B) y = x
(C) y = –x
(D) y = 2x...
... = 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. ... points.
Math Practice Exercises and Solutions by Topic 129
ARCO ■ SAT II Math www.petersons.com/arco
2. The correct answer is (2) . cos x(cos x – 2) = 0
3. The correct a...
... the fractions. L.C.D. = (2 – i) (2 + i)
22
22
44 144 1
41
8
5
22
+
()
−−
()
−
()
+
()
=
+ −− ++
−−
()
=
ii
ii
ii
i
8. What is the value of i
88
– i
22
?
Solution:
Math Practice Exercises and ... equivalent to
(A) 2( log x + log y)
(B) 2( log x)(log y)
(C) 2log x + log y
(D) log2 + log x + log y
(E) log x + 2log y
Part III78
www.petersons.com/arco ARCO ■ SAT II Math...
... 24 0°
(E) 25 0°
Solution: (C)
In quadrant III, x = 22 5°.
Part III74
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6. For what value of K is the graph of the equation y = 2x
2
– 3x + K tangent to the x-axis?
Solution: ... feet is
(A) 2
(B) 3
(C) 4
(D) 5
(E) 6
Solution: (E)
Part III70
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2. Find all values of y between 0° and 180° that...