Sample Midterm 1.1

Sample Midterm 1.1 - Math 148 Midterm 1 Autumn 2005 Page 1...

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Math 148 Name: Midterm 1 SSN: Autumn 2005 10/17/05 Lecturer: Page 1 of 9 Recitation Instructor: Form A Recitation Time: Please clearly show all of your work. Partial credit will be awarded based on the work that is shown. A correct answer with no supporting work will receive NO credit. Please, CIRCLE YOUR ANSWERS . If you use the graphing features on your calculator to solve a problem, you must SKETCH AND LABEL ALL GRAPHS AND TABLES . 1. (a) Which of the points (10 , - 6) and ( - 10 , 6) is closer to (-2,-2)? (7 points) (b) Find the midpoint of the line segment joining the points ( - 10 , 6) and ( - 2 , - 2) . (5 points) 1
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2. The graph of a parabola has the following characteristics: y-intercept at 60 minimum value at (4.25, -12.25) zero at 6 (a) Find the other zero. (6 points) (b) Use either form, y = C( x - z 1 )( x - z 2 ) or y = A( x - h) 2 + k , to find the equation of the parabola. (6 points) 2
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3. Algebraically solve the system of equations. (Calculator solutions will receive NO CREDIT.) y + 6 x = 28 x 2 + y = 5 x (12 points) 3
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4. Multiple Choice. Circle your answer. (12 points)
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