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Algebra Final Essay

  • Submitted by: justin89
  • on May 18, 2013
  • Category: Miscellaneous
  • Length: 760 words

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Below is an essay on "Algebra Final" from Anti Essays, your source for research papers, essays, and term paper examples.

Practice Final   1. Find the value of x: (x + 1)2 – 3 = 13

  a. {–3, 8}
  b. {3, –5}
  c. {2, 0}
  d. {13, –5}

  2. Express the solution set of 15 > –2x + 9 > –5 in interval notation.

  a. (–3, 7)
  b. [–3, –7]
  c. [–7, 3]
  d. (3, 7)

  3. Solve the equation:
–86x –12=2xx –2+x+33x –6
  a. 6
  b. –1
  c. 13
  d. 1


  4. Use synthetic division and the Remainder Theorem to find f-8 if
fx=x4+6x3–14x2+10x –28

  a. 20
  b. 6324
  c. –20
  d. –6324


  5. Solve the following matrix:
1–5101–3001 –3020–2

  a. {(–42 , –14, –2)}
  b. {(–14 , 42, –2)}
  c. {( 42, 14, –2)}
  d. {(–4 , –14, 1)}



  6. Given fx=14x –38 and   gx=x + 3814 , find f∘g(x)

  a. x
  b. x + 38
  c. Not a real number
  d. x – 14


  7. Perform the indicated operation and write your answer in standard form. Note: i represents the imaginary unit i.
(2 + 7i) + (–5 – 18i)

  a. 7 – 25i
  b. –7 + 25i
  c. 3 + 11i
  d. –3 – 11i


  8. Write an equation in slope-intercept form for the line passing through the points :
(–2, 11) (4, –7)

  a. y = –3x – 5
  b. y = 3x – 5
  c. y = –3x + 5
  d. y = 3x + 5


  9. Perform the indicated operation and simplify: (Assume x > 0 and y > 0)
192x3y43xy2

  a. 8xy
  b. 8x3y2
  c. 64x2y2
  d. 8xy3

  10. Find the zeros of the following function: fx=x3+x2–10x+8

  a. {(–4, –1, –2)}
  b. {(4, –2)}
  c. {(–4, 1, 2)}
  d. {(–4, 1)}


  11. This relation is a function: {(6,0), (–5,–5), (4,–6), (6, 3)
  a. True
  b. False


  12. Find the value of function f(x) when x=21
fx=x+4+10

  a. 25
  b. 5
  c. Not a real number
  d. 15


  13. Find the value of x: x+5=28

  a. {–28, 28}
  b. {23}
  c. {∅}
  d....

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