complete answer key for mathematics

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COMPLETE ANSWER KEY FOR BOOK 1 & 2 www.excelreviews.com Page 1 KEY TO CORRECTION SECTION 1: PRE-REVIEW TEST 1. irrational 2. irrational 3. integer & rational 4. imaginary 5. rational 6. 7. 8. 9. 10. 11. 9,200,000 12. 6,100 13. 48,000,000 14. 0.000 027 15. 0.000 000 008 1 16. 28 17. -17 18. 17 19. -99 20. -72 21. 13, 3, 3 22. 19, 5 23. 2, 2, 2, 2, 3 24. 2, 7, 3, 3 25. 19, 2,2 Exercise 1: 1. Rational 2. Irrational 3. Integer, whole & rational 4. Imaginary 5. Integer, whole, counting & rational Exercise 2: 1. 1 2. 3 3. 21 4. 24 5. -44 6. 6 7. 24 8. -11 9. 9 10. -98 Exercise 3: 1. -6 2. -24 3. 86

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Page 1: Complete Answer Key for Mathematics

COMPLETE ANSWER KEY FOR BOOK 1 & 2

www.excelreviews.com Page 1

KEY TO CORRECTION SECTION 1: PRE-REVIEW TEST 1. irrational 2. irrational 3. integer & rational 4. imaginary 5. rational

6.

7. 8.

9.

10. 11. 9,200,000 12. 6,100 13. 48,000,000 14. 0.000 027 15. 0.000 000 008 1 16. 28 17. -17 18. 17 19. -99 20. -72 21. 13, 3, 3 22. 19, 5 23. 2, 2, 2, 2, 3 24. 2, 7, 3, 3 25. 19, 2,2 Exercise 1: 1. Rational 2. Irrational 3. Integer, whole & rational 4. Imaginary 5. Integer, whole, counting & rational

Exercise 2: 1. 1 2. 3 3. 21 4. 24 5. -44 6. 6 7. 24 8. -11

9. 9 10. -98 Exercise 3: 1. -6 2. -24 3. 86

Page 2: Complete Answer Key for Mathematics

COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2

EXCEL! TUTORIALS 2

4. 113 5. -157 6. -267 7. 232 8. -335 9. 180 10. -172 SECTION 1: POST-REVIEW TEST 1. Integer & rational 2. Imaginary 3. Irrational 4. Irrational 5. Rational

6.

7.

8.

9.

10. 11. 4,500,000 12. 7,100 13. 18,000,000 14. 0.000 037 15. 0.000 000 005 1 16. 30 17. -1,086 18. 23 19. -160 20. -68

21. 2, 2, 2, 2, 2, 2, 2 or 22. 43, 2

23. 2, 2, 17 or , 17

24. 2, 2, 2, 2, 2, 5 or , 5 25. 47, 2

SECTION 2: PRE-REVIEW TEST

1. 12

2. -42

3. -17

4. -34

5. 86

6. 20

7. 22

8. 0

9. 79

10. 4x+15

11. 150

12. 98

13. 230

14. 214

15. 125

16. 3,600,000

17. 580,000

Page 3: Complete Answer Key for Mathematics

COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2

EXCEL! TUTORIALS 3

18. 9,300,000

20. 16.51

21. 1.0668

22. 1,512

23. 13.2

24. 7.92

25.2,500,000,000

Exercise 4:

1. 3 2. 42 3. 5 4. 37 5. 25 6. 56 7. 120 8. 114 9. 110 10. 85

Exercise 5:

1. 100 2. 10 3. 30 4. 60 5. 11 6. 24 7. 3,650 8. 365 9. 1 10. 99,500,000

SECTION 2: POST-REVIEW TEST

1. -52 2. 3 3. 2 4. 42 5. –x + 15 6. 4 7. -18 8. 10 9. 30 10. 56 11. 107 12. 89 13. 145 14. 213 15. 134 16. 3.6 17. 5.8

Page 4: Complete Answer Key for Mathematics

COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2

EXCEL! TUTORIALS 4

18. 9.3 19. -9.3 20. 6.5 21. 94.488 22. 63 days 23. 6 24. 3,600

25. 0.0025 SECTION 3: PRE-REVIEW TEST

1. 780 2. 448

3. 3

4.

5.

6. 33.75 7. 187.5 8. 22.5 9. 288

10. 3,923

11. 240,000 12. 12.5% 13. 110,000

14. 47

15. 50%

16. 24

17. 16,000

18. 10%

19. 6,200

20. 10

Exercise 6:

1. 1

2. 1

3.

4. 2

5.

6. 0.88 7. 85.7% 8. 150 9. 100 10. 25

Page 5: Complete Answer Key for Mathematics

COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2

EXCEL! TUTORIALS 5

SECTION 3: POST-REVIEW TEST

1. 80,000 2. 75 3. 600,000

4. 118

5. 55%

6. 35

7. 9,000 8. 30% 9. 20,000 10. 30 11. 2,400 12. 3,000

13. 6

14. 280 15. 20,000 16. 20% 17. 697.5

18. 27

19. 200 20. 8,176

SECTION 4:PRE-REVIEW TEST

1. 150 2. 77 3. 12 4. 15 5. 40 6. 12 7. 9 8. 9,000 9. 72 10. 330 11. 24

12.

13. 120

14. 3

15. 18 16. 6 17. 22.5

18.

19. 100 20. 5.5

Exercise 7:

1.

2. 60

Page 6: Complete Answer Key for Mathematics

COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2

EXCEL! TUTORIALS 6

3. 120 4. 60%

5.

SECTION 4: POST-REVIEW TEST

1. 15

2.

3. 18 4. 3.5 hours 5. 18 6. 3 7. 4.5 8. 15:4 9. 240

10. 6

or

11. 45 12. 54 13. 2 14. 8 15. 2 16. 9 17. 5 18. 225 19. 160 20. 40

Cumulative Test 1

1. 2. 3. 9,200,000 4. 48,000,000 5. -99 6. -72 7. 2,7,3,3 8. 2, 2, 2, 2, 2, 5 9. 3 10. 65 11. 42 12. – x + 15 13. 30 14. 108 15. 87 16. 144 17. 214 18. 135 19. 850,000 20. 37,000 21. 2.56 22. 0.1524 23. 131.82 24. 96 25. 3 26. 9:20 27. 120 million 28. 7

Page 7: Complete Answer Key for Mathematics

COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2

EXCEL! TUTORIALS 7

29. 75 30. 62.5%

31. 66

inches

32. 3.75 33. 3:14

34. 3

35. 225,000 36. 6.25% 37. 20% 38. 8,000

39. 88

40. 70% 41. 60 42. P2,700

43. 5

44. 17% 45. 75 46. 16 47. 80 48. 12 insects 49. 3 50. 36 SECTION 5:PRE-REVIEW TEST

1. 83 2. 40 3. 30 4. 1,275 5. 13 6. 34 7. 8 8. 45 9. 182 10. 45 11. 1,368 12. 120 13. 20 14. 595 15. 46%

16. 12% or

17. 480 18. 74% 19. 15 20. 90

Exercise 8:

1. 720 2. 65 3. 420 4. 28

Page 8: Complete Answer Key for Mathematics

COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2

EXCEL! TUTORIALS 8

5. 50 SECTION 5: POST-REVIEW TEST

1. 100 2. 50% 3. 200% 4. 7 5. 50 6. 5 7. 126 8. 36 9. 623 10. 60% 11. 8 12. 2 13. 42 14. 285 15. 7.5 16. 2,520 17. 83 18. 35 19. 13.5 20. 1,080

SECTION 6: PRE-REVIEW TEST

1. 30%,

, or 0.3

2. 5P5, 5! or 120 3. 3C5 or 10 4. 3P5 or 60

5.

6.

7.

8. 12C2 15C3

9.

10.

11.

12.

13.

14. 4! Or 24

15. 60,

16. 0.2 17. 0.2 18. 0.5

19. , 0.027

20. , 0.657

Exercise 9: 1. 24 2. 210 3. 720

Page 9: Complete Answer Key for Mathematics

COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2

EXCEL! TUTORIALS 9

4.

5.

SECTION 6: POST-REVIEW TEST

1. 7! or 5040 2. 120 3. 0.3 4. 0.6 5. 0.25

6. 10%

7. 0.6

8.

9. 3C7 0r 35 10. 12C4 or 495 11. 12P3

12.

13.

14.

or 1,020

15.

16.

17.

18.

19.

20.

Cumulative Test 2

1. 9,000,000 2. D

3.

4. 12 5. 3 6. 294 7. 7 8. 60 9. 6 10. 360 11. 56 12. 156

13.

or 37.5%

14. ½ or 0.5 or 50% 15. 0.25 or 25%

16. 3,600 17. 1,800 18. 20

Page 10: Complete Answer Key for Mathematics

COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2

EXCEL! TUTORIALS 10

19. 24 20. 11

21.

22. 800

23.

24.

25. 280 26. C 27. 21 28. 108 29. C 30. 60% 31. P3.60

32.

33. 60

34. 1

35.

36. 20% 37. 8%

38.

39. A 40. 22.5 41. 333 42. 12 43. 25%

44.

45.

46. 4 47. 12 48. 16 49. 1,275 50. 13

SECTION 7:POST-REVIEW TEST

1.

2. 5 3. y=2x+3

4.

5. -

6. 382.5 7. 60° 8. 10°

9.

Page 11: Complete Answer Key for Mathematics

COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2

EXCEL! TUTORIALS 11

10. Square 11. (-6, 12)

12. y =

13. √

14. 15. -6 16. (8,7) 17. 18 18. (7,6) 19. x = 0 20. -1 SECTION 8: PRE-REVIEW TEST

1. 64

2. 3. 225° 4. 60 5. 8 6. 25

7. 8. 6

9. 10. 224

11. 12. 13. 14. 32

15.

16. 17. 15

18. √ 19. 4 x 12 20. 65

Exercise 11: 1. 5

2. 540

3. 81

4. 13.5

5.

6. √ 7. Scalene triangle

8. √ 9. 64

10. 67.5

Exercise 12: 1. 10 2. 270° 3. 9

4. 27

5.

6.

Page 12: Complete Answer Key for Mathematics

COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2

EXCEL! TUTORIALS 12

7. 125 8. 8 9. 7 10. 288 cubic units SECTION 8: POST-REVIEW TEST 1. 27 2. 450° 3. 42 4. 80 5. 216 6. 15 7. 8. 55

9. 10. 28 11. 3 x 36 12. 4 x 16 13. 54 14. 15. 512

16. 65

17.

18.

19. √

20. √ Cumulative Test 3: 1. 100° 2. -2 3. 54°

4. 144

5. -

6. 12 7. 15 8. 25

9. √ cm 10. 18 11. 70°

12. 4√ 13. 1:27 14. (7, -2)

15. 30 16. 125

17.

18. 150 19. 20. 49 21. . 22. 144 23. 208

24. 12

Page 13: Complete Answer Key for Mathematics

COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2

EXCEL! TUTORIALS 13

25. 180 26. 18

27. 36√ 28. 60° 29. 108 30. 5° 31. 75°

32. 81 √ 33. 36 34. 18 35. 16in.

36. 18 37. Rectangle 38. y = 3x -1

39.

40. 175

41. 96 42. 2,304 43. 1:8 44. 27 45. 96

46. 165

47. 120

48. √ 49. 216 50. 240°

KEY TO CORRECTION

SECTION 9: PRE-REVIEW TEST

1.

2. √

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13. (

)

14.

15. [ ]

Page 14: Complete Answer Key for Mathematics

COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2

EXCEL! TUTORIALS 14

16.

17. √

18. 19.

20.

Exercise 1:

1.

2.

3. √

4.

5. 5.15

6.

7. 8.

9.

10.

SECTION 9: POST-REVIEW TEST

1. √

2.

3. √

4. √

5.

6.

( )

7.

8.

9.

10. 11.

12.

13. (– )

14.

15.

16.

17.

18. 19. f=4t 20.

SECTION 10: PRE-REVIEW TEST

1. 11

Page 15: Complete Answer Key for Mathematics

COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2

EXCEL! TUTORIALS 15

2.

3. 8 4. 65% 5. 300 miles 6. 120, 122 &124 7. 3 hours 8. 2.25 9. 600 10. 7 days 11. 8 12. 20 13. 50 14. 23&25 15. 105 16. 37-mother, 27 years 17. 16.8 meters 18. 68 & 70 19. 29 20. 2 hours

Exercise 2:

1. 23 &25 2. Renz-17 & Mr. Blanco-44 3. 38 4. 24 5. 28 & 30

Exercise 3:

1. 7.5 2. 10 mph 3. 3 4. 7.5 5. 6

Exercise 4:

1. 45 2. 20 3. 8 4. x=12 mph & y=3mph 5. 24=x

SECTION 10: POST-REVIEW TEST

1. 4 2. 4 hours 3. 14 4. 65% 5. 60 km/h 6. 35, 37, 39 7. Regie-72 km/h & Charles-60km/h

Page 16: Complete Answer Key for Mathematics

COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2

EXCEL! TUTORIALS 16

8.

9. 10 10. 8 11. 6 12. 20 13. 53 14. -9, -8 & -7 15. 16. 13 17. 13.5 18. 22 19. 35 20. 3 hours

CUMULATIVE TEST 1

1. P5,231.25

2.

3.

ounces of salt

4. 5. 2,318 6. 8 + J= 22 7. 2,304 8. 1,950 9. 57

10.

11. 14 12. 20

13.

14. 360°

15.

16.

17. 5 weeks 18. 6 19. 10

20.

21. 8,250 22. 1,020 23. 32

24.

25. 26. 22.5 27. 213,000 28. 24 29. 4 30. 8

31.

32. 107,500 33. 11:30 am

Page 17: Complete Answer Key for Mathematics

COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2

EXCEL! TUTORIALS 17

34. 28 35. 96

36.

37. 36

38.

or 12%

39. a – 14b

40.

41. 35 mph 42. 40 43. y=x+4 44. 280 45. 90 46. 4 47. 3

48.

49. 25% 50. 640

SECTION 11: PRE-REVIEW TEST

1. b 2. 72

3. 4. 6 5. 1,024,000 6. 1,792 7. 814 8. 665 9. 1,020 10. 37 11. 720 12. 13 13. 6 14. 8 15. 32 16. 375 17. 2,775 18. 20, 31 & 42 19. 46.50 20. 300

Exercise 5:

1. 162 2. 71 3. 1,407 4. 71 5. 4,900

Exercise 6:

1. 656,100

Page 18: Complete Answer Key for Mathematics

COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2

EXCEL! TUTORIALS 18

2. 972 3. 200 4. 12 5. 729

SECTION 11: POST-REVIEW TEST

1. 84

2.

3.

4. 3,375 5. 486 6. 930 7. 1,290 8. 29,523 9. 44 10. 1,260 11. 28 12. 12,663.605

13.

14. 21 15. 256 16. 2,800 17. 24, 37, 50 & 63 18. P4,498 19. 600 20. 384

SECTION 12: PRE-REVIEW TEST

1.

2. 3. x = 3, x = 7

4. √

5.

6.

7.

8.

9.

10.

11.

12. 13. 14. 4b=c

15.

16. 17. b

18.

Page 19: Complete Answer Key for Mathematics

COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2

EXCEL! TUTORIALS 19

19.

20.

Exercise 7:

1. A =RS

2.

3.

4.

5. 6.

7.

8.

9.

10.

SECTION 12: POST-REVIEW TEST

1.

2.

3.

4.

5. 1 = a 6. x = 13 7. x = 98 8. x = 1

9.

10.

11.

12.

13. 14. a = 1 15. x = 10

16.

17. 18. 3,125

19. √

20.

CUMULATIVE TEST 2:

1.

2. 3. 188

Page 20: Complete Answer Key for Mathematics

COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2

EXCEL! TUTORIALS 20

4.

years

5. 6. 145 7. 69 8. 10!

9. √

10.

11. x = 5 12. x = 30 13. x = 9

14.

15. 16. 200 17. 24 18. 80 19. 8 20. n = 5 21. 972 22. 6,200 23. 128 24. 117 25. 5,120 26.

27.

28. 242 29. 87

30.

31. x= 2, x = -1 32. x = 21 33. truck -45 mph & car- 50 mph 34. 88,500 35. 3,150

36. √

37. 38.

39.

40.

41. 42.

43.

44.

45. 46. 405 47. 15 48. x = -12, x = 9 49. 300 days 50. 36

Page 21: Complete Answer Key for Mathematics

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.

Page 22: Complete Answer Key for Mathematics

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.

Page 23: Complete Answer Key for Mathematics

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.

Page 24: Complete Answer Key for Mathematics

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.

Page 25: Complete Answer Key for Mathematics

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. √

Page 26: Complete Answer Key for Mathematics

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.

Page 27: Complete Answer Key for Mathematics

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

Page 28: Complete Answer Key for Mathematics

COMPLETE MATH REVIEWER FOR COLLEGE ADMISSION TESTS 2

EXCEL! TUTORIALS 28