1.   Evaluate if t = 8, u = -2, and v = 5.
    A. 0.08 B. 0.2
    C. 2.8 D. 0.56
    Hint

  2.   An 18-foot ladder is placed 6 feet from the wall. Approximately how high does the ladder reach?
   
    A. 12 ft B. 17.0 ft
    C. 17.8 ft D. 19 ft
    Hint

  3.  
    A. B. [10 37]
    C. D.
    Hint

  4.   Solve using inverse matrices.
    A. (-4, 4) B. (4, 4)
    C. (-4, 0) D. (4, -4)
    Hint

  5.   Simplify
    A. B.
    C. D.
    Hint

  6.   Solve
    A. no solution B.
    C. D.
    Hint

  7.   A 50-mile trip uses 2 gallons of gas. How much gas would you use on a 115-mile trip?
    A. 25 gallons B. 4.6 gallons
    C. 4 gallons D. 5 gallons
    Hint

  8.   List all possible rational zeros of f(x) = 2x3 - 5x2 + 3x - 1.
    A. B.
    C. D.
    Hint

  9.   Find g[f(-2)], if f(x) = x2 and g(x) = 3x – 5.
    A. -7 B. 7
    C. -44 D. -17
    Hint

  10.   Simplify
    A. B.
    C. D.
    Hint

  11.   Solve
    A. -4. 3 B. 4
    C. -3, 4 D. -4
    Hint

  12.   Find log 136.8 to four decimal places.
    A. 2.1361 B. 2.0502
    C. 2.1106 D. 2.1418
    Hint

  13.   Which of the following is the correct rotation matrix for a rotation of 180°counterclockwise about the origin?
    A. B.
    C. D.
    Hint

  14.   Solve the system of equations 7x – 14y =4, 3x – 6y =17.
    A. infinite solutions B. (3, –2)
    C. no unique solution D. (2, 1)
    Hint

  15.   Find
    A. B.
    C. D.
    Hint

  16.   Which of the following is prime?
    A. 5xy>2 + 10y B. 7x2y2
    C. 3xy + 13x2 D. 3x2 – 6y
    Hint

  17.   What is the y-intercept of the function y = 2x2 + 1
    A. 1 B. 3
    C. 0 D. none
    Hint

  18.   Find the minimum value of .
    A. 2 B. 7
    C. 11 D. (2, 7)
    Hint

  19.   Solve by graphing.
    A. x = 0 B. no real roots
    C. x = 2 D. x = –2
    Hint

  20.   Which of the following is a polynomial in one variable?
    A. B.
    C. D.
    Hint