1.   Which statement explains why
   
    A. Angles adjacent to the same angle or to congruent angles are congruent.
    B. All right angles are congruent.
    C. Vertical angles are congruent.
    D. Angles complementary to the same angle or to congruent angles are congruent.
    Hint

  2.   What is a valid conclusion to the following hypothesis?
If there are two points...
    A. There are no lines containing both points.
    B. There are two lines containing both points.
    C. There are an infinite number of lines containing both points.
    D. There is one line containing both points.
    Hint

  3.   Using the following true conditional and hypothesis, which statement would follow from the Law of Detachment?A square has four right angles. WXYZ is a square.
    A. WXYZ has four right angles.
    B. If WXYZ has four right angles, then it is a square.
    C. If WXYZ is not a square, then it does not have four right angles.
    D. If WXYZ is not a square, then it has four right angles.
    Hint

  4.   ''If two angles are vertical, then they are congruent.'' is a true conditional, and 1 and 2 are vertical. Which is not true based on the Law of Detachment?
    A. Both1 and 2 are obtuse.
    B. 1 and 2 are not congruent.
    C. 1 and 2 are congruent.
    D. 1 and 2 both have a measure of 45.
    Hint

  5.   Which statement explains why
   
    A. All right angles are congruent.
    B. If the sum of the measures of two angles is 180, then they are supplementary.
    C. Angles supplementary to the same angle are congruent.
    D. If two angles form a linear pair, then they are supplementary.
    Hint

  6.   Identify the hypothesis in the following algebraic statement:
If 3x + 10 = 13, then x = 1.
    A. x = 1 B. 3x
    C. 3x + 10 = 13 D. 3x + 10
    Hint

  7.   Find the next three terms in the sequence 10, 15, 25, 40, ….
    A. 65, 100, 145 B. 45, 50, 55
    C. 55, 70, 85 D. 60, 85, 115
    Hint

  8.   Which of the following is a counterexample to the statement 8p – 3 is prime?
    A. none of the above B. p = 4
    C. p = 3 D. p = 2
    Hint

  9.   How is 5 is an element of set C written in set notation?
    A. B.
    C. D.
    Hint

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

  11.   If A = {-2, -1, 0, 1, 2} and a subset of A, B = {-2, -1}, what is B'?
    A. B'={-2,-1,0,1,2,3} B. B'={-2,-1}
    C. B'={0,1,2} D. B'={1,2,3}
    Hint

  12.   If and Which shows
    A. {1,3} B. {-2, -1, 0, 1, 3}
    C. {-2, -1, 0, 1, 3, 5} D.
    Hint

  13.   What is the contrapositive of the conditional If it is September, then there are 30 days in the month?
    A. If it is September then there are not 30 days in the month.
    B. If there are not 30 days in the month, then it is not September.
    C. If it is not September then there are not 30 days in the month.
    D. If there are 30 day in the month, then it is September.
    Hint

  14.   What is the converse of the conditional If it is September, then there are 30 days in the month?
    A. If there are not 30 days in the month, then it is not September.
    B. If it is not September then there are not 30 days in the month.
    C. If there are 30 day in the month, then it is September.
    D. If it is September then there are not 30 days in the month.
    Hint



Glencoe
The McGraw-Hill Companies