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homework1 - MATH 119 Algebra Review Homework 1 The...

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MATH 119 Algebra Review Homework 1 The following set is only to review the Algebra needed for this class. It should be familiar to you from previous class such as M110, M111 or others. Please do your best to refresh these materials if you already had it, or to learn it if you have not. You must solve all problems of the handout using Separate Papers (not the handout paper) and show all necessary work. No work means no credit. Missing this homework is (-20) points for the homework points, and (-15) points in test 1 and cannot be replaced if it was lowest test score. For Graphing in page 6: (Only Straight Edge Graphs, scaled are Accepted, No Freehands. Otherwise -7p) Part A: Simplifying Simplify and write your answers with positive exponents: Answers, not in order 1. [9(7 - 4) + 19] - [25 - (7 + 3)] 31 2. 4 3 + (20)(10) + 7 2 - 23 ⎛ − 12 24 x y 3. 16 ÷ (19 - 15) 2 - 7 ( ) y x 7 18 4. -32 - 8 ÷ 4 - (-2) -16 x + 44 5. [6( x + 4) - 12] - [5( x - 8) + 11] -32 6. 4{[8( x - 3) + 9] - [4(3 x - 7) + 2]} 4 2 7 a b 7. ( )( ) 2 8 3 4 4 6 y x y x -6 8. ( )( ) 3 2 2 5 3 6 y x y x 290 9. 5 8 3 4 2 14 b a b a x + 41 Convert to exponential form: 10. 7 t 11. 5 3 a 12. ( ) 3 2 y x + 13. 4 2 b Answers, not in order : ( ) 7 1 5 3 3 1 2 2 1 ; ; / / / t a y x ; b + Convert to radical form: 14. 5 2 x 15. 3 2 x 16. ( ) 3 2 2 y x 17. ( ) 5 2 2 y x + Answers, not in order: ( ) ( ) 3 2 5 2 5 2 2 3 2 2 1 ; ; ; 1 x x y x y x +
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