1.   A ______________ is a logical argument in which each statement is backed up by a statement that is accepted as true.
    A. theorem B. proof
    C. postulate D. definition
    Hint

  2.   What three things are accepted as true without verification or proof?
    A. conclusions, hypotheses, and postulates B. definitions, postulates, and undefined terms.
    C. theorems, postulates, and undefined terms D. definitions, theorems, and postulates
    Hint

  3.   Determine the number of line segments that can be drawn connecting pairs of points shown.
   
    A. 4 B. 8
    C. 6 D. 10
    Hint

  4.   A group of 7 people get together for a meeting. Before the meeting starts, they each shake hands with every person at the meeting. If a person only shakes hands with another person once, how many handshakes were there before the meeting began?
    A. 42 B. 7
    C. 15 D. 21
    Hint

  5.   If and lie in plane P. Which of the following postulates can be used to show that lies in plane P?
    A. A plane contains at least three points not on the same line.
    B. If two planes intersect, then their intersection is a line.
    C. Through any two points, there is exactly one line.
    D. If two points lie in a plane, then the entire line containing those points lies in that plane.
    Hint



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