Algebra: A Combined Approach, 4th Edition (Martin-Gay by Elayn Martin-Gay

By Elayn Martin-Gay

Elayn Martin-Gay firmly believes that each pupil can prevail, and her developmental math textbooks and video assets are influenced through this trust. Algebra: A mixed procedure, Fourth variation was once written to supply scholars with an outstanding starting place in algebra and aid them successfully transition to their subsequent arithmetic direction. the hot variation deals new assets just like the scholar Organizer and now contains scholar assets at the back of the e-book to aid scholars on their quest for fulfillment.

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Additional info for Algebra: A Combined Approach, 4th Edition (Martin-Gay Developmental Math Series)

Example text

20 7 a. Concept Check Explain the error in the following steps. 15 15 1 = = 55 55 5 6 5 + 1 1 = = 7 5 + 2 2 Examples 9. 7 20 10. Concept Check Answer 15 3#5 3 a. = = 55 11 # 5 11 6 b. can’t be simplified 7 3 10 9. b. Simplify each fraction. 11 11 = # # There are no common factors in the numerator and denominator 27 3 3 3 11 other than 1, so is already simplified. 27 10. 88 = 2 # 2 # 2 # 11= 2 20 2#2#5 2 Work Practice 9–10 # 2 2 # 2 # 11 22 = 5 5 Copyright 2012 Pearson Education, Inc. Work Practice 8 R-11 S E C T I O N R .

Example 22 Add: 2 PRACTICE 22 Add: 7 3 3 + 6 8 4 Solution: 2 1 2 + 1 . 8 3 1 2 17 5 17 # 3 5#8 51 40 91 + 1 = + = # + # = + = 8 3 8 3 8 3 3 8 24 24 24 or 3 19 24 Work Practice 22 When adding or subtracting larger mixed numbers, you might want to use the following method. Answers 11 21. 22 15 76 1 1 - 35 12 4 Solution: 1 1 7 50 = 50 = 49 6 6 6 1 2 2 -38 = -38 = -38 3 6 6 5 11 6 Work Practice 23 22. 14 1 8 23. 40 5 6 2 1 1 7 50 = 49 + 1 + = 49 6 6 6 Copyright 2012 Pearson Education, Inc. Subtract: 1 1 - 38 6 3 c Example 23 Subtract: 50 PRACTICE 23 Vocabulary and Readiness Check Use the choices below to fill in each blank.

1000, 1125 Objectives Discover Fraction Properties Having to Do with 0 and 1. Write Equivalent Fractions. Write Fractions in Simplest Form. 2 FRACTIONS A quotient of two numbers such as Fraction bar : 2 is called a fraction. The parts of a fraction are: 9 2 ; Numerator 9 ; Denominator Multiply and Divide Fractions. Add and Subtract Fractions. Perform Operations on Mixed Numbers. fl of the circle is shaded. 2 of the circle is 9 shaded. The denominator 9 tells us how many equal parts the whole circle is divided into, and the numerator 2 tells us how many equal parts are shaded.

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