1.   Write an algebraic expression to represent ''the sum of 6 and three times a number squared.''
    A. 6(3x) B. 6 + 3x
    C. 6 + 3x2 D. 6(3x)2
    Hint

  2.   The temperature f(x) of water in a lake in degrees Fahrenheit is estimated by the function shown below, where x is the depth in feet of the water. What would be the temperature of water 30 feet below the surface?
   
    A. 63°F B. 33°F
    C. 111°F D. 71.25°F
    Hint

  3.   Write in simplest form.
    A. B.
    C. D.
    Hint

  4.   Solve
    A. n = 9 B. n = 2
    C. n = D. n =
    Hint

  5.   Looking at several specific situations to arrive at an educated guess is called __________.
    A. deductive reasoning B. guessing
    C. a conjecture D. inductive reasoning
    Hint

  6.   Find the value of x so that j || k.
   
    A. 7 B. 3
    C. 23 D. 12
    Hint

  7.   To show that a conjecture is false, you need to provide one _____.
    A. possibility B. theorem
    C. counterexample D. guess
    Hint

  8.   How many other triangles in the figure appear to be congruent to ABC?
   
    A. 8 B. 7
    C. 4 D. 3
    Hint

  9.   If 15 and 20 are the lengths of two sides of a triangle, between what two numbers must the measure of the third side fall?
    A. 10 and 35 B. 15 and 20
    C. 10 and 25 D. 5 and 35
    Hint

  10.   Which values are a counterexample to the given statement?
If x × y = 0, then x must be 0.
    A. x = 0, y = 1 B. x = 5, y = 0
    C. x = -1, y = 1 D. x = 0, y = 0
    Hint

  11.   Solve
    A. a = 90 B. a = -90
    C. D.
    Hint

  12.   Which set notation means that 4 is an element of {3,4,5,6}?
    A. {3, 4, 5, 6} B. 4{3, 4, 5, 6}
    C. 4{3, 4, 5, 6} D. 4{3, 4, 5, 6}
    Hint

  13.   Which is a graph showing the set of real numbers from -1 to 2 inclusive?
    A. B.
    C. D.
    Hint

  14.   What is the value of cell C3?
   
    A. 90 B. 27
    C. 1840 D. 1620
    Hint

  15.   What is the value of cell C2?
   
    A. 18 B. 1
    C. 36 D. 27
    Hint

  16.   Find the next four terms of the sequence 16, 24, 32….?
    A. 32, 40, 48, 56 B. 42, 50, 58, 66
    C. 48, 56, 64, 72 D. 40, 48, 56, 64
    Hint

  17.   Find the next two terms of the sequence
    A. B.
    C. D.
    Hint

  18.   Given find ?
    A. 10 B. –9
    C. 9 D. –12
    Hint

  19.   How could the graph be changed so it is not misleading?
   
    A. Change the graph from vertical to horizontal. B. Write out the entire names of the months.
    C. Make the graph start at 0 to see all of the bars. D. Change the color.
    Hint

  20.   Using the number line, what is the midpoint of
   
    A. U B. V
    C. X D. W
    Hint



Glencoe
The McGraw-Hill Companies