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COMPLETE ANSWER KEY FOR BOOK 1 & 2
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KEY TO CORRECTION SECTION 1: PRE-REVIEW TEST 1. irrational 2. irrational 3. integer & rational 4. imaginary 5. rational
45. 46. 405 47. 15 48. x = -12, x = 9 49. 300 days 50. 36
COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2
EXCEL! TUTORIALS 21
SECTION 13: PRE-REVIEW TEST
1. c
2.
3. 4. b 5. a = 5, b = -1 6. 5
7.
8.
9. √
10. √
11.
12.
13.
14.
15.
16. √
17.
18.
19.
20.
Exercise 8:
1.
2. √ 3. x = -10, x = 0
4.
5. real, rational & equal
6. √
7.
8.
9. -
10.
SECTION 13: POST-REVIEW TEST
1.
2.
3. 4.
5.
COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2
EXCEL! TUTORIALS 22
6.
7. 3x+1
8.
9.
10. √ 11. -421
12. 13. -13 14. 330 15.
16.
17.
18.
19.
20.
SECTION 14: PRE-REVIEW TEST
1.
2.
3. √
4. √
5. √ 6. x = -1
7. √ 8. x = 4
9.
10. √
11.
12.
13. ( √ )
14. √ √
15. x = 2
16. √
17. 3
18.
19.
20. √
Exercise 9:
1.
2.
3.
COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2
EXCEL! TUTORIALS 23
4.
5. √
6. √
7. √ √
8. 9. 6
10.
SECTION 14: POST-REVIEW TEST
1. 0
2.
3. √
4. 10
5.
6. √
√
7. √ 8. x = 8 9.
10. √
11. 12. x = 6 13. x = 10
14. √
15. ( √
√
)
16. 3 17. 1
18. √
19. –
20. (√ √ )
CUMULATIVE TEST 3:
1. 105 2. 32 3. x = 1
4.
5.
6. 5 7. 5xy
8.
9. 10. 20
11.
12.
COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2
EXCEL! TUTORIALS 24
13. x = 0 14. 4, 12, 36, 108, 324 15. 540
16.
17. 120° 18. 500 19. 2x-3y=11 20. x = 10 21. 24
22. √
23.
24.
25. 26. 34 27. 8
28.
29. 780 30. a = 15, 1
31.
32. 43
33.
34.
35. 2,
36. x = 4 37. domain- , range- 38. 4 = x 39. 24 = x 40. 5a + 4b + 8c
41. domain: , range:
42.
43. √
44. -6x – 2
45.
√ √
46.
47. √
48. 224 49. 15
50.
SECTION 15: PRE-REVIEW TEST
1. the center of the circle is at and its radius is 3
2. 3. c
4. the center of a circle is at and its radius is 4 5. 6.
COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2
EXCEL! TUTORIALS 25
7. the circle has vertex at and a radius is 6 8. vertex at 9. hyperbola 10. right
Exercise 10:
1. the center of the circle is at and its radius is 5 2. the radius of the circle is 6 3. 10
4. the center of the circle is and its radius is 4 5. the center of the circle is at and its radius is 3 6. the parabola opens downward (3, -2) 7. d 8. leftward 9. hyperbola 10. the vertex is at
SECTION 15: POST-REVIEW TEST
1. c 2. 3. 10
4. the vertex of a circle is and its radius is 5 5. 12 6. circle 7. hyperbola
8. vertex is at 9. vertex is at 10. vertex is at and it opens downward
SECTION 16: PRE-REVIEW TEST
1. 20
2.
3. 4. x = 2, y = 3 5. 3
6.
7. √
8. √ √ 9. x = 5
10.
11. a = 4
12. √
13. 14.
15. √
COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2
EXCEL! TUTORIALS 26
16.
17.
18. a = 16
19.
20. 4
Exercise 11:
1. v = 6
2.
3. x = 3
4. √
5. √
6. √
7. y = 3, x = 0 8. 7 9. w = 3 10. f = -1
SECTION 16: POST-REVIEW TEST
1.
2. √
3. 4. b = 5 & a = 0 5. 210° 6. t = 3
7.
8. 9. 10 = s 10. -10 11. 15 = y 12. x – y
13.
14. √
15. 20 ft
16.
17. x = 3
18.
19. a = 6 20. x = 1
CUMULATIVE TEST 4:
1.
2. 9 3.
COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2
EXCEL! TUTORIALS 27
4. 30 5. 360 6. 210 7. the vertex of a parabola is at
8.
9. 25 10. d 11. 1,080°
12.
13. rightwards 14. 15 15. 80°
16. the circle’s vertex is at
17.
18. the vertex is at and its radius is 1 19. (-7, 8)
20.
kph or 0.375kph
21.
22.
23.
24.
25.
26. 27. 408
28.
29. 0.3 30. 0.2 31. 0.4 32. 0.5
33. √
34. √
√ 35. 6b - a
36. √
37. √
38. 3 39. x = 2 40. domain; , Range:
41. √
42. x = 12 mph, y = 3 43. 3 44. 50 45. a = 5
46. 47. -32
48.
49. 50. 10
COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2