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college_algebra_test - College Level Practice Test for...

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Copyright ARCC, 2005 College Level Practice Test for Accuplacer A. Algebraic operations 1. Where defined, 2 49 7 1 x x x x ÷ + reduces to a) ( ) ( ) ( ) 2 49 7 1 x x x x + b) ( 7) 1 x x x + + c) ( 7) 1 x x x + d) 2 7( 49) 1 x x + 2. Where defined, 2 2 2 2 4 16 12 a a a + + reduces to a) 1 16 4 a b) 1 4 2 a + c) 1 2( 3) a a + d) 1 2 6 a a + + 3. Factor 4 x 2 + 8 x 12 completely. 4. Expand ( )( )( ) 4 2 1 x x x + . 5. Give the exponential representation of the radical expression 5 1 x . 6. Evaluate 3 2 25 64 . a) 75 128 b) 25 36 c) 125 512 d) 8 5
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