# Download College Algebra, 8th Edition by Ron Larson PDF

By Ron Larson

This market-leading textual content keeps to supply scholars and teachers with sound, regularly established factors of the mathematical innovations. Designed for a one-term path that prepares scholars for additional examine in arithmetic, the hot 8th version keeps the good points that experience consistently made university Algebra an entire answer for either scholars and teachers: fascinating purposes, pedagogically powerful layout, and leading edge know-how mixed with an abundance of rigorously built examples and workouts.

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12. 14. 16. 5y Ϫ 30 3z3 Ϫ 6z2 ϩ 9z 3x͑x ϩ 2͒ Ϫ 4͑x ϩ 2͒ ͑5x Ϫ 4͒2 ϩ ͑5x Ϫ 4͒ In Exercises 17–22, find the greatest common factor such that the remaining factors have only integer coefficients. 17. 12 x ϩ 4 19. 12 x 3 ϩ 2x 2 Ϫ 5x 21. 23 x͑x Ϫ 3͒ Ϫ 4͑x Ϫ 3͒ 18. 13 y ϩ 5 20. 13 y 4 Ϫ 5y 2 ϩ 2y 22. 45 y͑ y ϩ 1͒ Ϫ 2͑ y ϩ 1͒ In Exercises 23–32, completely factor the difference of two squares. 23. 25. 27. 29. 31. x2 Ϫ 81 48y2 Ϫ 27 16x 2 Ϫ 19 ͑x Ϫ 1͒ 2 Ϫ 4 9u2 Ϫ 4v 2 24. 26. 28. 30. 32. x 2 Ϫ 64 50 Ϫ 98z2 4 2 25 y Ϫ 64 25 Ϫ ͑z ϩ 5͒ 2 25x 2 Ϫ 16y 2 In Exercises 33–44, factor the perfect square trinomial.

97. 1 Ί3 5 Ί14 Ϫ 2 96. 98. 2 In Exercises 99 –102, rationalize the numerator of the expression. Then simplify your answer. 99. Ί8 2 Ί5 ϩ Ί3 101. 3 100. 103. 5 3 64 104. ᭿ 3 Ϫ216 107. ᭿ 4 81 3 109. ᭿ 121. MATHEMATICAL MODELING A funnel is filled with water to a height of h centimeters. 03͓125͞2 Ϫ ͑12 Ϫ h͒5͞2͔, 0 Յ h Յ 12 Ί2 3 Ί7 Ϫ 3 102. 4 In Exercises 103 –110, fill in the missing form of the expression. Radical Form Rational Exponent Form ᭿ ᭿ 811͞4 Ϫ ͑1441͞2͒ ᭿ ͑Ϫ243͒1͞5 ᭿ 165͞4 represents the amount of time t (in seconds) that it will take for the funnel to empty.

2. 3. 4. 5. 6. 7. 8. 9. 10. In the exponential form an, n is the ________ and a is the ________. A convenient way of writing very large or very small numbers is called ________ ________. One of the two equal factors of a number is called a __________ __________ of the number. n The ________ ________ ________ of a number a is the nth root that has the same sign as a, and is denoted by Ί a. n In the radical form Ίa, the positive integer n is called the ________ of the radical and the number a is called the ________.

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