120test2afall02

120test2afall02 - Math 120, fall 2002, Test 2a Name: _ You...

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Math 120, fall 2002, Test 2a Name: ___________________ You must show your work for every problem, including the ones that are multiple choice . Answer word problems in complete sentences and include appropriate units. Part I (5 points each) 1. Which of the ordered pairs is a solution to the system - = + = - - 19 4 23 2 5 y x y x [A] ( - 7, 6) [B] ( - 11, - 2) [C] ( - 3, - 4) [D] (5, 2) 2. The leading coefficient of the polynomial 9 17 3 10 2 5 4 - + - + - x x x x is: [A] - 1 [B] 17 [C] 5 [D] - 10 3. The simplified form of the expression ) 3 ( ) ( 4 3 2 pq q p - is: [A] 7 7 3 q p - [B] 7 7 81 q p - [C] 7 3 3 q p - [D] 7 10 81 q p - 4. ) 4 3 )( 3 2 ( 2 + - - x x x equals: [A] 12 17 2 9 2 3 4 - + + - x x x [B] 12 17 9 2 2 3 - + - x x x [C] 12 9 2 2 3 - - - x x x [D] 12 3 9 2 2 3 - - - - x x x
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5. The simplified form of the expression ) 5 3 ( ) 8 2 3 ( 3 - + + - x x x is: [A] 40 34 6 15 9 2 3 4 - + - - x x x x [B] 13 5 3 3 + - x x [C] 3 6 3 2 3 + - x x [D] 3 3 3 + + x x 6. The complete factorization of h g g gh 2
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120test2afall02 - Math 120, fall 2002, Test 2a Name: _ You...

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