Review I answer spring 2011 L1 thru L6

Review I answer spring 2011 L1 thru L6 - 1 ; 7 (c) x = 16 ;...

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MAC 1140 Test I Review Spring 2011 L1-L6, students should also know all lecture material, including the ’practice’ problems 1. (a) 14 ± x 2 (b) 8 2. (a) (D: all real numbers), x = ± 5 3 ; ± 3 (b) ( D : x 6 = 0) ;x = ± 8 (c) ( D : x 6 = 0 ; ± 4) ;x = 16 ; ± 1 (d) ( D : x 6 = ² 3) ;x = 13 6 (e) ( D : x 6 = ± 1 ; 2) ;x = ± 38 11 3. ( D : x 6 = 0 ; 3) ; ; 4. (a) [ ± 7 : ± 3] (b) ( 1 ; ± 5] [ [ ± 3 ; 1 ) (c) [ ± 3 2 ; 9 2 ] 5. (a) [ ± 1 4 ; 8 3 ) (b) ; 6. (a) ; , (ie. No Real solution) (b) 1 repeat real solution, x = ± 1 6 (c) ; , (ie. No Real solution) (d) 2 distinct real solution, ± 3 ² p 33 2 7. k = ± 1 2 8. (a) x = ² 2 ; ± 1 2 (b) x = ²

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Unformatted text preview: 1 ; 7 (c) x = 16 ; 81 (d) x = 63 ; 28 (e) x = 3 p 3 (f) x = 5 4 (g) x = ; 9. (a) x = 4 (b) x = 3 ; 1 (c) x = 81 10. 4 11. (a) F (b) F (c) F (d) T 12. (a) rational: 4 9 ; p 16 ; ; 2 ; p : 009 ; : 8 ; 3 3 : 12 : 2 (b) irrational: 6 ; p 5 13. (a) 5 4 p 2 2 (b) ( p 2 p 3)(5+ p 10) 15 14. 690 15. 47 16. ; 17. (a) 2 x (b) 1 2 x...
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This note was uploaded on 07/08/2011 for the course MAC 1140 taught by Professor Williamson during the Spring '08 term at University of Florida.

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Review I answer spring 2011 L1 thru L6 - 1 ; 7 (c) x = 16 ;...

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