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

  2.   Name the multiplicative inverse of 5.
    A. -5 B. 50
    C. 0.2 D. 20
    Hint

  3.   Solve |4x + 2| + 6 = 0.
    A. 2 B.
    C. -2 D. 1
    Hint

  4.   Solve 4x > 28.
    A. {x | x > 28} B. {x | x < 7}
    C. {x | x < 4} D. {x | x > 7}
    Hint

  5.   Choose the graph of
    A. B.
    C. D.
    Hint

  6.   State the solution of the system of equations graphed below.
   
    A. (3, 1) B. (-1, 3)
    C. (0, 3) D. (3, -1)
    Hint

  7.   A feasible region has vertices at (4, 6), (-2, 3), (2, -2), and (3, 1). At which point is the maximum value of the function f(x, y) = 2x + y?
    A. f(2, -2) B. f(3, 1)
    C. f(4, 6) D. f(-2, 3)
    Hint

  8.   Find the minimum value of f(x, y) = 4x - 2y for the polygonal region determined by the feasible region.
   
    A. -14 B. 27
    C. -28 D. 14
    Hint

  9.   Find the value of 63.
    A. 36
    B. 216
    C. 729
    D. 18
    Hint

  10.   Josh has 40 minutes to complete a government exam. There are 15 multiple-choice questions worth 3 points each. There are also 5 short-answer questions worth 11 points each. It takes about 2 minutes for Josh to answer the multiple-choice questions m and about 8 minutes to complete the short-answer questions s. Which inequality is not part of the system of inequalities that represents the problem?
    A.
    B.
    C.
    D.
    Hint

  11.   Selena has 31 days to complete her quilt for the county fair. The blue squares in the quilt can be sewn at a rate of 4 squares per day, and the white squares at a rate of 7 squares per day. The quilt can have up to 96 squares total. The blue fabric b costs about $0.80 per square and the white fabric w costs about $1.20 per square. Selena wants to keep costs at a minimum. Write an inequality that expresses the total number of squares to be sewn.
    A. B.
    C. D.
    Hint

  12.   Choose the line whose slope is undefined.
    A. B.
    C. D.
    Hint

  13.   Identify the multiplicative inverse of 2.5.
    A. 0.5 B. 0.25
    C. 0.4 D. 5.2
    Hint

  14.   Solve the equation x – 82 = 143
    A. B. -61
    C. 61 D. 225
    Hint

  15.   Evaluate | 5 (a – 2b) + 3 | if a = -3 and b = 7.
    A. 82 B. 85
    C. 88 D. -85
    Hint

  16.   If Molly's car gets 24 miles for each gallon of gasoline, and she has 8 gallons of gasoline in her tank, how far can she drive before having to stop and get gas?
    A. 192 miles B. 96 miles
    C. 24 miles D. 3 miles
    Hint

  17.   The Waxmans just opened a carpet store. Their startup costs were $5000, and their cost of carpet is $8 per square yard. How many square yards of carpet do they need to sell in order to break even if they sell the carpet for $18 per square yard?
    A. 192 square yards B. 278 square yards
    C. 500 square yards D. 50 square yards
    Hint

  18.   Which is true for the following system of equations?

3x - y = 1
x + 2y = 7.
    A. cannot be determined from information given B. y > x
    C. y = x D. y < x
    Hint

  19.   Which graph represents the following system:
    A. B.
    C. D.
    Hint

  20.   Solve the system 4y – 6x + 8z = 13, 10y – 15x + 20z = 6, y – 5x + 2z = 5.
    A. infinite solutions B.
    C. no solution D. (-3, 1, 7)
    Hint



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