1.   Name the sets of numbers to which the value of -16 ÷ 50 belongs.
    A. reals (R), irrationals (I)
    B. reals (R), rationals (Q), integers (Z), whole numbers (W)
    C. reals (R), rationals (Q)
    D. reals (R), rationals (Q), integers (Z)
    Hint
  2.   Find the minimum value of f(x, y) = 4x - 2y for the polygonal region determined by the feasible region.
   
    A. -14 B. 14
    C. -28 D. 27
    Hint
  3.   Find the quotient (-100) ÷ (-25).
    A. 75 B. -4
    C. 4 D. -125
    Hint
  4.   Solve
    A. n = B. n = 9
    C. n = 2 D. n =
    Hint
  5.   Name a pair of angles that are adjacent, but not complementary or supplementary.
   
    A. and
    B. and
    C. and
    D. and
    Hint
  6.   Marita always listens to her favorite radio station, an oldies station, when she drives her car. Every morning she listens to her radio on the way to school. On Monday, she turns on her car radio and it is playing country music. Which of the following is a valid conjecture for why her radio is playing different music?
    A. Someone used her car during the weekend and changed the station.
    B. A country music station bought out her favorite music station over the weekend.
    C. Her favorite station has changed their morning program to include country music.
    D. All statements are valid conjectures.
    Hint
  7.   Determine if the following conjecture is true or false? Explain.

Given: x2 = 4
Conjecture: x = 4 or x = -4
    A. True; squaring a positive number results in a positive number and squaring a negative number results in a positive number.
    B. False; the square root of a positive number is always a positive number.
    C. False; the square root of 4 is 2 or -2.
    D. True; two answers are always more accurate than one answer.
    Hint
  8.   Which pair of triangles is congruent by the SAS Postulate?
    A. B.
    C. D.
    Hint
  9.   A conditional statement consists of a __________ .
    A. hypothesis and a conclusion B. counterexample
    C. hypothesis only D. conclusion only
    Hint
  10.   What is the probability that the spinner will land on a pink sector?
   
    A. 32% B. 28%
    C. 25% D. 26%
    Hint
  11.   Find 56.875 ÷ -6.5.
    A. -8.75 B. 11.375
    C. -11.375 D. 8.75
    Hint
  12.   Solve
    A. B. a = -90
    C. D. a = 90
    Hint
  13.   Name the property illustrated by the equation 5 ·? (-2 – 7) = 5 ·? -2 – 5 ·? 7.
    A. Associative Property B. Distributive Property
    C. Commutative Property D. Inverse Property
    Hint
  14.   Solve the equation
    A. 20 B. -1
    C. D. 9
    Hint
  15.   Consider the formula F(c) = 1.8c + 32, where c is the temperature in degrees Celsius and F(c) is the temperature in degrees Fahrenheit. If it is 0° C at the beginning of the day, and it is 11° C at noon, what was the change in temperature in degrees Fahrenheit?
    A. 51.8 B. 19.8
    C. -12.2 D. 11
    Hint
  16.   Which value is a solution to
    A. 11 B. -15
    C. -11 D. 17
    Hint
  17.   If A = {5, 6, 7, 8} and B = {8, 9}. what set notation means that 7 belongs to set A but not set B?
    A. 7A, 7B B. 7A, 7B
    C. 7A, 7B D. 7 = A, 7B
    Hint
  18.   What appears to happen in the graph?
   
    A. Sales have slightly increased. B. Sales have dropped.
    C. Sales have doubled each month.. D. Sales have cut in half each month..
    Hint
  19.   Using the number line, what is the midpoint of
   
    A. X B. U
    C. V D. W
    Hint
  20.   What instrument would be best to use to measure the degree of angles?
    A. ruler B. compass
    C. caliper D. protractor
    Hint

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