Review_Test1_Spring_08[1]

Review_Test1_Spring_08[1] - College Algebra Solve the...

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College Algebra Test 1 Review Solve the linear equations ( 2.1a): 1. ) 1 ( 3 5 ) 1 2 ( 5 - - = - x x x 2. 6 7 1 4 5 y y - = + 3. 4 1 8 4 7 2 3 4 + = + - x x 4. ) 2 ( 5 17 5 + = - x x 5. 1 4 1 ) 3 ( 5 2 = - - m Solve the inequalities; write your answer using inequality notation and using interval notation (2.2) : 6. 2 3 4 - + t t 7. 10 5 1 x x - - 8. 8 7 3 4 - < - x 9. 5 4 2 8 - < - - z 10. 9 2 7 4 - + p OMIT: 11. In a class in which the final course grade depends entirely on the average of six equally weighted 100-point grades, Peyton has scored 76, 72, 65, and 84 on his four tests and has scored an 80 for his HW grade. What range of scores on the final exam will give Peyton a C for the semester (an average between 70 and 79, inclusive)? Give your answer using interval notation. Solve by factoring (2.3): 12. 3 2 2 = - x x 13. ) 1 )( 2 3 ( 7 7 - + = - x x x 14. 2 3 27 20 14 x x x - = Solve by taking square roots (2.3): 15. 7
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This note was uploaded on 04/07/2008 for the course MATH 121 taught by Professor Durrough during the Spring '08 term at Ole Miss.

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Review_Test1_Spring_08[1] - College Algebra Solve the...

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