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Quiz 2 - a The circle with center(2 3 and radius 5 b The...

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Quiz 2 Name: ________________________ Math 115 – 007 September 3, 2009 Clearly mark all answers where appropriate. Show all work. Partial credit may be given for work shown, but full credit may not be given for correct answers with incomplete or incorrect work. No calculators or outside assistance may be used during this quiz. 1. (5 points) Circle each correct property of exponents and radicals (there may be more than one correct answer) a. n n n ab b a = b. n n n ab b a = c. nm m n a a = ) ( d. n n n b a b a + = + ) ( e. n n n b a b a = 2. (5 points) Classify the following expressions as polynomial, rational (but not polynomial), or neither. a. 400 5 3 - - x x ______________________________ b. x x 1 2 + ______________________________ c. x x + ______________________________ d. 5 6 10 3 5 100 - + x x ______________________________ e. x x 2 2 + ______________________________ 3. (2 points each) Write the equation given the description.
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Unformatted text preview: a. The circle with center (2, 3) and radius 5 b. The line with slope -½ passing through the point (5, 1) c. The line passing through the points (4, 3) and (-1, -7) Quiz 2 Name: ________________________ Math 115 – 007 September 3, 2009 4. (2 points each) For each equation, write the solution set for x and classify each equation as an identity, conditional, or inconsistent. a. x x 2 19 4 3-= + b. 4 3 3 3 2 2 12 17 6 1 2---= +-x x x x c. 20 ) 6 4 ( 3 12 +-= x x 5. (4 points each) Given the line describe by 3 5 4 + = x y , write the equation of the line: a. parallel to it and passing through the point (5, -1) b. perpendicular to it and passing through the point (12, 6)....
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