Vocab Chapter Two Flashcards

1
Q

A plane contains….

A

At least three non collinear points

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2
Q

Two planes….

A

Intersect in a line

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3
Q

Through two points there is….

A

Exactly one line

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4
Q

If two points lie in a plane….

A

The line containing them lies in the plane

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5
Q

Through three non collinear points there is…..

A

Exactly one plane

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6
Q

Two lines…

A

Intersect in a point

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7
Q

A line contains….

A

At least two points

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8
Q

RS=RS

A

Reflexive property

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9
Q

If x=y, then x+a=y+a

A

Addition property

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10
Q

If RS = TU And TU = VW, then RS=VW

A

Transitive property

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11
Q

X (a + b) = xa + xb

A

Distributive property

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12
Q

If x = y then xa = xb

A

Multiplication property

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13
Q

If x = y then x/a = x/b

A

Division property

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14
Q

If RS = TU then TU = RS

A

Symmetric property

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15
Q

If x = y then x -a = y-a

A

Subtraction property

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16
Q

The “If” part

A

Hypothesis

17
Q

Switch and negate hypothesis and conclusion

A

Contrapositive

18
Q

Unproven statement based upon patterns

A

Conjecture

19
Q

Uses facts definitions properties theorems and laws of logic

A

Deductive reasoning

20
Q

Logical statement with a hypothesis and conclusion

A

Conditional

21
Q

Both true or both false

A

Equivilant statements

22
Q

Used to write a biconditional statement

A

Iff

23
Q

Statement and converse are both true and rewritten as one statement

A

Biconditional

24
Q

Negate hypothesis and conclusion

A

Inverse

25
Q

Proves a statement false

A

Counterexample

26
Q

Opposite of statement

A

Inverse

27
Q

Switch hypothesis and conclusion

A

Converse

28
Q

Based upon patterns

A

Inductive reasoning

29
Q

“Implies”

A

->

30
Q

The “then” part

A

Conclusion

31
Q

If a and b are supplementary and b and c are supplementary then a and c are complementary

A

Nothing