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Adv Alg Chapter 1

Chapter 1 - Tools of Algebra

In class note packet  chapter_1_skills_09-10.docx  

Below are the solutions to the chapter 1 review assignment.  I have provided mathcasts (math tutorial videos) to help you with this chapter's topics.   Watch them, they just may help you with similar type problems.

Topics:  (problem numbers from assignment is in parentheses after the topic)

 

Solve linear equations.

1.  x = - 14/11 or -1 3/11                                                     2.   y = 13/14

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Solve linear equations with fractional coefficients.

3. x = 12/25                                                                         4. x = 1/4

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Solve linear inequalities. 

5.  no solution                                                                       6.   x < -5

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Solve absolute value equations.

7.  no solution                                                                       8.   x = 1, -11/5

 

 

9.  x = 5, -13/5                                                                   10.  no solution

 

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Solve compound inequalities.

11.  4 < x £  9                                                                                     12.  x < -6

13.  no solution                                                                    14.  all real numbers

 

15.  x < 6                                                                            16.  x > 0

 

17.  -3 < x < 5                                                                    18.  -3 £ x < 2

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Solve absolute value inequalities.

19.  x < -6 or x > 2                                                             20.  x £ -3 or x ³ 4

 

21. x > -5 and x < 13

22. all real number

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Solve word problems.

23. 21cm by 35cm

24.  75° and 105º

25.  10º and 80º

26.  3, 5, 7

 

27.  no solution

 

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