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24 Cards in this Set
- Front
- Back
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what is the segment addition postulate
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If B is between A and C, then AB+BC=AC. if AB+BC=AC, then B is between A and C
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what are the three undefined terms in geometry
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points, lines, and planes
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collinear means:
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points that lie on the same line
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coplanar means:
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points that lie on the same plane
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what does AUB mean
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A union B
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what is a postulate
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a statement accepted without proof
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what is a midpoint
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a point that bisects a line or segment in two equal halfs
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true or false: A line is a defined set of points
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false
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how many subsets are there in a set with a cardinal number of 3?
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8
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the square root of 12 simplified is:
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two multiplied by the square root of three
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What is an equivalent set?
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equivalent sets have the same cardinal number
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what are equal sets
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sets with identical elemnts
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what is a set?
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a colleciton of elements
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what are elements
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things that make up a set
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what are finite sets?
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sets that have a countable number of elements
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what does C intersect D mean?
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the intersect indicates that which is overlapped
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what is a null set
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O with a /.
the empty set |
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what is the complement of C
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everything that is not in set C
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what does b' mean
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the complement of b
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how do you illustrate union and intersection
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with a venn diagram
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what is the symmetric property of equality?
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if a=b the b=a
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what is the commutative property of addition?
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given a, b are real numbers then a+b=b+a
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what is the distributive property of multiplication
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a(b*c)=a*b+a*c
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what is the associative property of addition
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(a+b)+c=a+(b+c)
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