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1. |
Order the steps for writing an indirect proof. |
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A. |
3, 2, 1 |
B. |
1, 2, 3 |
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C. |
2, 1, 3 |
D. |
2, 3, 1 |
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Hint |
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2. |
Which assumption would you make to start an indirect proof of the statement Bob took the dog for a walk |
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A. |
Bob may take the dog for a walk. |
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B. |
Bob does not have to take the dog for a walk. |
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C. |
Bob did not take the dog for a walk. |
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D. |
Bob will take the dog for a walk. |
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Hint |
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3. |
a > b means that ___________. |
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A. |
a + c = b, for some positive number c |
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B. |
a b |
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C. |
a = b + c, for some positive number c |
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D. |
a + b = 0 |
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Hint |
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4. |
Complete the section of the indirect proof. Assume m A = m B and m B = m C. So, by ____________, m A = m C. |
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A. |
transitive property |
B. |
reflexive property |
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C. |
CPCTC |
D. |
angle addition property |
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Hint |
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5. |
Complete the section of the indirect proof. m W is a right angle. Therefore, m W = 90° by _______________. |
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A. |
definition of perpendicular bisectors |
B. |
definition of a right angle |
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C. |
angle addition postulate |
D. |
definition of perpendicular lines |
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Hint |
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