winter 09 - W0910501 MAT 1050 GROUP FINAL EXAM WINTER 2009...

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W0910501 1 MAT 1050 GROUP FINAL EXAM – WINTER 2009 SHOW ALL WORK. DO NOT USE A CALCULATOR. 1. (7 pts.) Simplify by adding (or subtracting) like terms wherever possible: y z x x a 3 4 2 5 3 2 2 1 2 1 + + + + 2. (7 pts.) Simplify completely: () () 2 1 2 5 3 1 0 4 3 6 6 2 z y x y x z y x 3. (7 pts.) Multiply and simplify completely: ( ) 2 2 1 + + x 4. (7 pts.) Simplify completely: 2 3 2 1 2 3 9 9 9 + 5. (6 pts.) Solve: 1 2 2 < + x 6. (6 pts.) Solve: 2 2 1 2 + x 7. (7 pts.) Outside a local Wal-Mart, Girl Scout cookies are being sold at $3.50 per box. The number of boxes of Trefoils sold is three more than the number of boxes of Samoas sold. The number of boxes of Tagalongs sold is the sum of the number of boxes of Trefoils and Samoas sold. The total amount raised from the cookie sale is $161. How many of each type of cookie was sold? 8.
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winter 09 - W0910501 MAT 1050 GROUP FINAL EXAM WINTER 2009...

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