math(short reviewer) Flashcards

1
Q

is any system that can be written in the form
ax+by=p
cx+dy=a

A

system of linear equation in two variables

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2
Q

assignment of values to x and y so that all equations are satisfied

A

solution

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3
Q

lines that intersect have __solution and are_____

A

1 solution and consistent and independent

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4
Q

lines that coincide have__solution and are _____

A

have infinite solution and are consistent and dependent

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5
Q

lines that are parallel have___and are____

A

no solution and inconsistent

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6
Q

terms which cannot be precisely defined

A

undefined terms

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7
Q

terms that have a formal definition

A

defined terms

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8
Q

terms that are generally accepted as true without proof

A

axioms/postulates

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9
Q

statement that can be proven

A

theorem

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10
Q

Is an undefined term, a position in space without height,width and dimension and is named by one CAPITAL LETTER

A

point

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11
Q

is an undefined term, a continuous arrangeent of points and It’s length is infinite and is name by a single lowercase script letter or by any two points

A

Lines

a line is determined by 2 points

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12
Q

a flat surface that extends infinitely along it’s height and width but has no thickness, it is named by a single script capital letter or by 3 points not in the same line

an undefined term

A

plane

any 3 noncolinear points determine a pplane

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13
Q

points that lie on the same line

A

collinear

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14
Q

points that do not line in the same line

A

non collinear

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15
Q

points that lie in the same plane

A

coplanar points

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16
Q

points that do not lie in the same plane

A

non coplanar

17
Q

enumeration, enumerate theses postulates from 1-6

_____2 points determine a line
_______through any 3 non colinear points there is one plane
_______if there are 2 points that lie in a plane a line would be joining them
______a plane contains atleast 3 non colinear points
_______through any 2 points there is exactly one line
______if 2 plane intersect then their intersection would be a line

A

1- 2 points determine a line
4- through any 3 non colinear points there is one plane
5- if there are 2 points that lie in a plane a line would be joining them
2- a plane contains atleast 3 non colinear points
3- through any 2 points there is exactly one line
6-if 2 plane intersect then their intersection would be a line

18
Q

what is the theorem

if 2 lines intersect they intersect in exactly one 1 point

A

theorem 1

19
Q

what is this theorem?

if 2 lines interesect there is exactly one plane that contains both

A

thorme 3

20
Q

what is this theorem?

if a point lies out of a line then there is a plane that contains them both

A

theorem 2

21
Q

is a compound statement of the form “if p then Q”

also called an if then statement

A

conditional statement

22
Q

p is the what qand it begins with ifj?

A

hypothesis

23
Q

what is p?

usually begins with then

A

conclusion

24
Q

is a tentative assumption made in order to draw out logical consequences

A

hypothesis

25
Q

is the necessary consequence of one or more propositions

A

conclusion

26
Q

formed by interchanging the conclusion and the hypothesis( if q then p)

A

converse

27
Q

formed by interchanging the hypothesis and the conclusion and negating them both( if not q then not p)

A

contrapositive

28
Q

formed by negating both the hypothesis and conclusion(if not p then not q)

A

inverse