college_algebra_test

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 xx + b) (7 ) 1 x −+ + c) ) 1 x + d) 2 7( 49) 1 x x + 2. Where defined, 2 2 22 41 6 1 2 a aa ++ reduces to a) 1 16 4 a b) 1 42 a + c) 1 2( 3) a a + d) 1 26 a a + + 3. Factor 4 x 2 + 8 x 12 completely. a) 4 x + 1 x 12 b) 2 x 4 2 c) 4 x 1 ( ) x + 3 ( ) d) 4 x 3 ( ) x + 1 4. Expand ( ) 42 1 x + . a) 32 274 x b) x + c) x + d) x 5. Give the exponential representation of the radical expression 5 1 x . a) 15 x b) 52 x c) 25 x d) 5 x 6. Evaluate 25 64 ⎛⎞ ⎜⎟ ⎝⎠ . a) 75 128 b) 25 36 c) 125 512 d) 8 5
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Copyright ARCC, 2005 7. Simplify 32 2 x x and eliminate any negative exponents. Assume all letters denote positive numbers. a) 3 x b) 3 1 x c) 1 x d) x B. Solutions of equations and inequalities 8. For what real numbers x is 2 12 0 xx −− = ? a) 4 and 3 b) 4 and 3 c) 4 and 3 d) 4 and 3 9. For what real numbers x is 2 35 2 x x +− positive? a) 1 2, 3 ⎛⎞ ⎜⎟ ⎝⎠ b) () ,2 −∞ − and 1 , 3 c) ( ) −∞− d) 1 , 3 −∞ and 2, −∞ 10. Solve for m : 21 (3 ) ( 5) mm −− < a) 3 m > b) 3 m <− c) 3 m >− d) 3 m < 11. Solve for x : 2 (2 )8 x += . Be sure the value of x is in simplified radical form. a) 222 x b) 6 x c) 28 x d) x =− ± 12. A root of x 2 7 x + 3 = 0 is a) 76 1 2 −+ b) 73 7 + c) 7 + 37 2 d) 7 + 37 2
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Copyright ARCC, 2005 13. If 3 x 2 4 x + 7 = 0, then x 2 3
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This note was uploaded on 07/24/2009 for the course MATH 22 taught by Professor Carney,m during the Spring '08 term at Cosumnes River College.

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college_algebra_test - College Level Practice Test for...

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