test 1 version A fa 09

# test 1 version A fa 09 - College Algebra Math 12 Test 1...

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College Algebra / Math 12 Test # 1 Erika Noffsinger / Fall 2009 Name:_________________________________________ Points Earned Points Possible 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. Total:_____________________________________________________(100 points)

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1) x 3 + 6x 2 - x - 6 = 0 1) 2) x 4 - 4x 2 - 5 = 0 2) 3) (x - 6) 2 = 4 3) 4) 1 x + 1 x - 6 = x - 5 x - 6 4) A ­ 2
5) Solve 22x - 11 = x + 55 ) 6) Solve 4x - 6 = x + 6 6) 7) Solve P - 7Q 5 = P + 3 2 + 1 for P 7) Find and simplify the difference quotient of f, f(x + h) - f(x) h , h 0, for the function. 8) f(x) = x 2 + 2x + 3 8) A ­ 3

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Solve the inequalities. Graph your solutions and express your answer using interval notation. 9) 5 - 7x > 9 9) 10) |2x + 2| + 3 < 12 10) Write the expression in the standard form a + bi. 11) 2 + 3i 5 - 3i 11) 12) Find the domain of the function f(x) = x x - 2 12) A ­ 4
13) For the equation f(x) = - x x 2 - 2 answer the following questions: a) Is the graph of f(x) symmetrical across the x - axis, y - axis or origin? Show how you derived your answer. b) Is f(x) even, odd, or neither? Show how you derived your answer. c) What is the domain of f(x)? 13) Put the equation in the standard form of a cirlcle, find the center (h, k), radius r and graph the circle.

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test 1 version A fa 09 - College Algebra Math 12 Test 1...

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