Fall 2015 MATH 125 Thanksgiving Name _________________________________ STUDENT ID___________________ PART 1 SCORE__________ PART 2 SCORE__________ FINAL TEST SCORE___________ PART 1 1) 2) 3) 4) 5) 6) 7) 8) 11) 12) 19) 26) 27) 28) 29) 30) 31) PART 2 Do Only 5 of the 11 problems. You will not get credit if you do not show work. Please circle the number of the problems you chose to be graded and your answer. 1. For a wedding, Jane bought several dozen roses and several dozen of carnations. The roses cost $15 per dozen, and the carnations cost $10 per dozen. Jane bought a total of 20 dozen flowers and paid a total of $200. How many carnations did she buy? 2. Two shirts and three pairs of shorts cost $88.15. Three shirts and one pair of shorts cost $66.60. Find the price of each 3. Six times the reciprocal of a number equal 3 times the reciprocal of 3. Find the number. 4. How many years does it take for $100 to double in an account paying 8% interest compounded annually. Use A P1 i n and the definition of logarithms to solve. 5. A painter can paint a fence around a house in 6 hours. Working alone, the painter’s apprentice can paint the same fence in 12 hours. How many hours would it take them to do the job if they worked together. 2x2 6x 1 6. Solve the equation by using quadratic formula: 3 5 2x y 7. Simplify the complex fraction. 4 3 x 4y 8. Solve the following equation: 9. Solve the absolute value equation: |4x 7| 3 12 10. Determine the type of conic section: parabola, circle, ellipse, or hyperbola, exhibited by the graph of each of the following equations a) x 2 y 2 4 b) 3x 2 5 y 2 9 a)___________ b)____________ 11. c) y 2 x 2 2 c)___________ d) 4x 22 3 y 52 12 d) _____________