Math141FinalF11

# Math141FinalF11 - Math 141 Name: _ FINAL (CHAPTERS 7, 8,...

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Math 141 Name: ________________________ FINAL (CHAPTERS 7, 8, AND 9) MATH 141 – FALL 2011 – KUNIYUKI 250 POINTS TOTAL Show all work, simplify as appropriate, and use “good form and procedure” (as in class). Box in your final answers! No notes or books allowed. A scientific calculator is allowed. To maximize chances for partial credit, please be neat and indicate any elementary row operations (EROs) you use! Clarity is important. I might not grade “messes.” 1) Find the intersection point(s) of the graphs of x 2 ± y = 0 and 3 x 2 ± 8 x + y = 0 in the usual xy -plane by solving a system, as we have done in class. Do not rely on graphing, “trial-and-error,” guessing, or point-plotting as a basis for your method. Show all work! Write all solutions as ordered pairs of the form x , y () . If there are none, write “NONE.” (14 points)

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2) Write the PFD (Partial Fraction Decomposition) for 7 x ± 3 x 2 ± 3 x ± 4 . You must find the unknowns in the PFD Form. Show all work, as we have done in class! (17 points)
3) Write the PFD (Partial Fraction Decomposition) for 3 x 3 ± x 2 + 12 x + 2 x 2 + 4 () 2 .

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## This note was uploaded on 02/07/2012 for the course MATH 2203 taught by Professor Ellermeyer during the Fall '10 term at FIU.

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Math141FinalF11 - Math 141 Name: _ FINAL (CHAPTERS 7, 8,...

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