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1. |
Make a conjecture based on the following information. For points A, B, and C, AB = 2, BC = 3, and AC = 4. |
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A. |
A, B, and C are collinear. |
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B. |
A, B, and C form a right triangle. |
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C. |
A, B, and C form on equilateral triangle. |
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D. |
A, B, and C are noncollinear. |
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Hint |
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2. |
Identify the hypothesis of the following if-then statement. If Ralph does his math homework, then he will get a good grade on the quiz. |
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A. |
He will not get a good grade on the quiz. |
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B. |
He will get a good grade on the quiz. |
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C. |
Ralph may do his math homework. |
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D. |
Ralph does his math homework. |
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Hint |
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3. |
Which statement follows from statements (1) and (2) by the Law of Syllogism? (1) If an object is a square, then it is a rhombus. (2) If an object is a rhombus, then it is an equilateral. |
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A. |
An object is a rhombus. |
B. |
An object is a square. |
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C. |
If an object is an equilateral, then it is a square. |
D. |
If an object is a square, then it is an equilateral. |
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Hint |
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4. |
Find the number of different segments formed by 8 collinear points. |
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A. |
27 |
B. |
21 |
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C. |
36 |
D. |
28 |
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Hint |
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5. |
Which property of equality justifies the statement if x – 2 = 9, then x = 11? |
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A. |
Multiplication Property of Equality |
B. |
Transitive Property of Equality |
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C. |
Addition Property of Equality |
D. |
Symmetric Property of Equality |
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Hint |
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6. |
Which of the following is not one of the five essential parts needed to construct a good proof? |
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A. |
If possible, draw a diagram to illustrate the given information. |
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B. |
State the theorem to be proved. |
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C. |
List the given information. |
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D. |
Develop a system of inductive reasoning. |
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Hint |
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7. |
For the proof shown, provide statement 2. |
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A. |
AB = BC, DE = EF |
B. |
AB = DE |
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C. |
AC = DF, BC = EF |
D. |
AC = DE, AB = DF |
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Hint |
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8. |
Which statement explains why  |
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A. |
Vertical angles are congruent. |
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B. |
All right angles are congruent. |
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C. |
Angles complementary to the same angle or to congruent angles are congruent. |
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D. |
Angles adjacent to the same angle or to congruent angles are congruent. |
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Hint |
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9. |
Make a conjecture based on the following information. M is obtuse. |
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A. |
M is acute |
B. |
m M = 30 |
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C. |
m M is not 180 |
D. |
M is straight |
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Hint |
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10. |
What is the negation of the conclusion of the following conditional? All birds can fly. |
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A. |
It cannot fly. |
B. |
It is not a bird. |
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C. |
It can fly. |
D. |
It is a bird |
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Hint |
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11. |
Which is an example of the Symmetric Property? |
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A. |
If 0.2 = , then = 0.2 |
B. |
If 2x = 12, then x = 6 |
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C. |
2x = 2x |
D. |
5(6 - 2) = 30 - 10 |
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Hint |
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12. |
For the proof shown, provide the reason for part b. |
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A. |
Definition of a line |
B. |
Symmetric Property (=) |
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C. |
Definition of congruent segments |
D. |
Definition of Addition |
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Hint |
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13. |
Write a truth table for p q. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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14. |
Which statement is the inverse of the statement angles with the same measure are congruent? |
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A. |
If two angles are congruent, then they have the same measure. |
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B. |
If two angles have the same measure, then they are congruent. |
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C. |
If two angles are not congruent, then they do not have the same measure. |
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D. |
If two angles do not have the same measure, then they are not congruent. |
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Hint |
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15. |
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? |
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A. |
15 |
B. |
21 |
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C. |
42 |
D. |
7 |
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Hint |
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16. |
If and form a linear pair and m = 72, find m . |
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A. |
144 |
B. |
108 |
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C. |
72 |
D. |
18 |
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Hint |
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