1.   Name two lines that lie in plane ADH.
   
    A. , B. ,
    C. , D. ,
    Hint

  2.   Find FG on the number line shown.
   
    A. 4.5 B. 6.5
    C. 9 D. 5.5
    Hint

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

  4.   Find the coordinates of K, the midpoint of , if the endpoints of are M(-4,6) and N (2,5).
    A. (-2, 6) B.
    C. D.
    Hint

  5.   Find the measures of two supplementary angles, and if and
    A. 37, 143 B. 38, 142
    C. 39, 141 D. 36, 144
    Hint

  6.   If-then statements are also called ______________.
    A. conclusions B. reasons
    C. hypotheses D. conditionals
    Hint

  7.   In the figure, points A and B are on circle C and
Write the contra positive of the true conditional.

Conditional 1: If then is a right isosceles triangle.
Conditional 2: If then divides the circle into two equal halves.
   
    A. If is a right isosceles triangle, then
    B. If then does not divide the circle into two equal halves.
    C. If does not divide the circle into two equal halves, then
    D. If is not a right isosceles triangle, then
    Hint

  8.   ''If two numbers are even, then their sum is even'' is a true conditional, and 8 and 24 are even numbers. Use the Law of Detachment to reach a logical conclusion.
    A. If the numbers 8 and 24 are even, then their sum is 32.
    B. If the numbers 8 and 24 are odd, then their sum is 32.
    C. The sum of 8 and 24 must be even.
    D. The sum of 8 and 24 must be odd.
    Hint

  9.   Determine the value of z.
   
    A. 6 B. 20
    C. 48 D. 8
    Hint

  10.   The polygon shown is
   
    A. concave B. an octagon
    C. regular D. a hexagon
    Hint

  11.   Which is an equation of the line with slope 0 and passing through the point at (-2, 3)?
    A. x = -2 B. y = -2x + 3
    C. y = 0 D. y = 3
    Hint

  12.   Which segment does not have a measure of 5?
   
    A. B.
    C. D.
    Hint

  13.   Name a pair of angles that are adjacent and complementary.
   
    A. NOM andPOM
    B. LON andPOM
    C. NOM andLON
    D. QOP andNOP
    Hint

  14.   Make a conjecture based on the following information. M is obtuse.
    A. mM = 30 B. M is acute
    C. mM is not 180 D. M is straight
    Hint

  15.   ''If you double any number, the result will be an even number.'' is a true conditional. Use the Law of Detachment to reach a logical conclusion.
    A. When you triple a number, the result must be an even number.
    B. The result of doubling 317 is an even number.
    C. If you double an odd number, the result is another odd number.
    D. The result of doubling 234 is an odd number.
    Hint

  16.   If line m and n are parallel and l is perpendicular to m, then ______.
   
    A. l is parallel to n. B. l and n are skew lines.
    C. m is parallel to n. D. l is perpendicular to n.
    Hint

  17.   Which statement needs to be true to prove
   
    A. 4 1 B. m1 + m3 = 180°
    C. 1 2 D. 1 3
    Hint

  18.   The freshman class of 63 students conducted a survey to compare how many students took Spanish as opposed to French as a foreign language. The results are shown in the Venn diagram. How many students studied neither Spanish nor French?
   
    A. 25 B. 14
    C. 1 D. 7
    Hint

  19.   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 points lie in a plane, then the entire line containing those points lies in that plane.
    C. Through any two points, there is exactly one line.
    D. If two planes intersect, then their intersection is a line.
    Hint

  20.   Which of the following best describes the front and back covers of a notebook when closed?
    A. intersecting planes B. skew planes
    C. a single plane D. parallel planes
    Hint



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