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1. |
Looking at several specific situations to arrive at an educated guess is called __________. |
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A. |
inductive reasoning |
B. |
a conjecture |
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C. |
deductive reasoning |
D. |
guessing |
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Hint |
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2. |
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 on equilateral triangle. |
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C. |
A, B, and C are noncollinear. |
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D. |
A, B, and C form a right triangle. |
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Hint |
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3. |
Refer to the figure. If G is the midpoint of  , which conjecture is true? |
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A. |
 intersects  at exactly two points. |
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B. |
is exactly 5 feet long. |
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C. |
None of the statements are true. |
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D. |
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Hint |
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4. |
Daniel wants to send Jasmine flowers for her birthday. At the flower store, he can choose between roses, irises, or carnations. The salesperson tells Daniel that 50% of the customers buy roses, 30% buy carnations, and 20% buy irises. Which of the following is a valid conjecture? |
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A. |
More customers buy roses than carnations. |
B. |
Jasmine will be excited to receive flowers for her birthday. |
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C. |
The salesperson likes carnations. |
D. |
Daniel will buy Jasmine irises. |
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Hint |
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5. |
Determine if the following conjecture is true or false? Explain. Given: x2 = 4
Conjecture: x = 4 or x = -4 |
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A. |
False; the square root of 4 is 2 or -2. |
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B. |
True; squaring a positive number results in a positive number and squaring a negative number results in a positive number. |
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C. |
False; the square root of a positive number is always a positive number. |
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D. |
True; two answers are always more accurate than one answer. |
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Hint |
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