File 8 Practice PRELIM II MATH 0096 0097 Summer 2010

File 8 Practice PRELIM II MATH 0096 0097 Summer 2010 -...

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File 8 PRACTICE PRELIM II MATH-0096/0097 SUMMER 2010 DIRECTIONS: Work out all problems on your paper and circle your answers. Do not write on both sides of your exam papers. DO NOT PASS IN THIS TEST PAPER. I. FRACTIONS, DECIMALS, AND PERCENTS (1) Write 34.5% as a fraction. (2) Express 0.0342 as a percent. (3) Write 89.2% as a decimal. (4) Express 7 as a percent. (5) Express 9 as a decimal. (6) Express 3.48 as a fraction. 4 11 (7) Express 5 % as a fraction. (8) Express 99 as a percent. 8 II. Evaluate each of the following for a= -4, b= 5, c= -12, d= 8 (9) 3 4 d - -2a 10) 2 3 2 b b d a - - + 11) 3(5a-2b+c) 12) b 2 + a 2 -2(d –c) 13) 2 3( ) a c d a d + - + III. Variable Expressions SIMPLIFY: 14) 5x-2(6-3x) 15) 1 ( 2 -10x +24y) 16) 6+2[4-5(8x-3)] 17) 5x+(-2y)-3y-(-4x) 18) 0.6x+0.2(150-x) IV. Translate into a variable expression and simplify: 19) The difference between twice a number and one-half of the number. 20) Four times a number plus the product of six and two less than the number. V. Solve. (21) 7x-4=17 (22) 4-3x=19 (23) 7x-6=2x+9 (24) 8x+62= 2x-10 (25) 25x+20 = 7x+56 (26) 12x-(4x-6)=3x-(9x-27)
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2 ANSWERS TO PRELIM II __ 1. 69 2. 3.42% 3. 0.892 4. 175% 5. 0.81 6. 87 200 25 7. 1 8. 9900% 9. 2 10. 5 11. -126 12. 1 160 6 13. -3 14. 11x -12 15. -5x +12y 16. 44-80x 17. 9x-5y 18. 0.4x +30 19. 2x - 1 2 x; 3 2 x 20. 10x -12 21. x = 3 22. x = -5 23. x = 3 24. x = -12 25. x = 2 26. x = 3 2 I. Name the Real Number Property illustrated in each of the following expressions:{Associative property for Addition, Associative property for Multiplication, Commutative property
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This note was uploaded on 07/24/2010 for the course CS MATH 1111 taught by Professor Dowell,michael during the Summer '10 term at Augusta University.

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File 8 Practice PRELIM II MATH 0096 0097 Summer 2010 -...

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