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Math - Evan Luc > Algebra vocabulary > Flashcards

Algebra vocabulary Flashcards

2
Q

circle

A

a closed figure in which all the points on the figure are the same distance from the center

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3
Q

century

A

one hundred years

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4
Q

acute angle

A

an angle whose measure is less than 90 degrees

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5
Q

circumference

A

perimeter of a circle

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6
Q

base

A

the bottom of a two- or three-dimensional shape, considered as its support

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7
Q

addend

A

a number being added in an addition problem

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8
Q

chord

A

a line segment that connects two points on a circle without passing through the center

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9
Q

addend

A

a number being added in an addition problem

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10
Q

area

A

the measurement of the interior region of a two-dimensional shape

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11
Q

hexagon

A

a polygon with six sides

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12
Q

half

A

one of two equal parts

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13
Q

flip

A

the change in the position of a figure that is the result of picking it up and turning it over; reflection

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14
Q

gallon

A

a customary unit of measurement for capacity used for liquids, equal to four quarts

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15
Q

heptagon

A

a polygon with seven sides

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16
Q

fraction

A

a part of a whole

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17
Q

height

A

a dimension of a two- or three-dimensional figure, usually measured perpendicularly from the base to the highest point

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18
Q

greatest common factor

A

the largest number that divides evenly into two or more numbers

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19
Q

foot

A

a customary unit of measurement for length, equal to 12 inches

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20
Q

expression

A

a combination of variables, numbers, and symbols that shows a mathematical relationship

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21
Q

even

A

divisible by two

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22
Q

edge

A

the line segment where two faces of a solid meet

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23
Q

equation

A

the statement of relationship between two quantities, indicated by an equal sign

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24
Q

factor

A

a number being multiplied in a multiplication problem

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25
Q

equivalent

A

equal

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26
Q

endpoint

A

a point that marks one end of a line segment or a ray

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27
Q

equilateral triangle

A

a triangle in which all sides have the same length

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28
Q

face

A

the flat surface of a solid figure

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29
Q

denominator

A

the bottom part of a fraction

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30
Q

diameter

A

a line segment that passes through the center of a circle that connects two points on the circle

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31
Q

difference

A

the answer to a subtraction problems

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32
Q

digit

A

any of the numerals from 0 to 9

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33
Q

dime

A

coin with a value of 1/10 of a dollar or 10 cents

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34
Q

dividend

A

the number being divided in a division problem

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35
Q

divisor

A

the number by which another number is being divided

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36
Q

dollar

A

a unit of money equal to 100 cents

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37
Q

dozen

A

a group or set of 12 things

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38
Q

composite number

A

a number with more than two factors

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39
Q

cone

A

a solid with a circular base and one vertex

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40
Q

congruent figures

A

figures that are the same size and shape

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41
Q

cube

A

a solid having six equal square sides or faces

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42
Q

cup

A

a customary unit of measurement for capacity, equal to 8 fluid ounces

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43
Q

cylinder

A

a three-dimensional solid with two circular bases that are parallel to each other

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44
Q

day

A

a period of 24 hours, from midnight to midnight

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45
Q

decade

A

ten years

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46
Q

decagon

A

a polygon with 10 sides

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47
Q

interval

A

all the numbers that lie within two certain boundaries

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48
Q

imaginary numbers

A

square roots of negative numbers

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49
Q

integer

A

a whole number, either positive, negative, or zero

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50
Q

inverse relations

A

relations where the domain and the range have been inter-changed–switching the coordinates in each ordered pair

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51
Q

inequality

A

a statement in which the relationships are not equal

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52
Q

incomplete quadratic equation

A

a quadratic equation with a term missing

53
Q

indirect variation/inverse variation

A

when y varies indirectly as x or y is indirectly proportional to x; that is, as x increases, y decreases and as y increases, x decreases

54
Q

infinite

A

uncountable; continues forever

55
Q

intersection of sets

A

the members that overlap (are in both sets)

56
Q

F.O.I.L. method

A

a method of multiplying binomials in whcih first terms, outside terms, inside terms, and last terms are multiplied

57
Q

graphing method

A

a method of solving simultaneous equations by graphing each equation on a coordinate graph and finding the common point (intersection)

58
Q

identity element for multiplication

A

one; any number multiplied by one gives the original number

59
Q

half-open interval

A

an interval that includes one endpoint, or one boundary

60
Q

factor

A

to find two or more quantities whose product equals the original quantity

61
Q

function

A

a relation in which each element in the domain is paired with exactly one element in the range

62
Q

identity element for addition

A

zero; any number added to zero gives the original number

63
Q

half-plane

A

the region of a coordinate graph on one side of a boundary line

64
Q

finite

A

countable; having a definite ending

65
Q

proportion

A

two ratios equal to each other

66
Q

origin

A

the point of intersection of the two number lines on a coordinate graph; (0, 0)

67
Q

quadratic formula

A

a method of solving quadratic equations

68
Q

ordinate

A

the distance along the vertical axis on a coordinate graph

69
Q

positive multiplication property of inequality

A

if c > 0, then a >b if, and only if, ac > bc

70
Q

polynomial

A

an algebraic expression consisting of two or more terms

71
Q

quadratic equation

A

an equation that could be written ax² + bx + c = 0

72
Q

quadrants

A

four quarters or divisions of a coordinate graph

73
Q

ordered pair

A

any pair of elements (x, y) having a first element x and second element y

74
Q

open interval

A

an interval that does not include endpoints or fixed boundaries

75
Q

null set

A

a set with no members; an empty set

76
Q

open half-plane

A

a half-plane that does not include the boundary line

77
Q

numerator

A

everything above the fraction bar in a fraction

78
Q

open ray

A

a ray that does not include its endpoint (half line)

79
Q

number line

A

a graphic representation of integers and real numbers

80
Q

numerical coefficient

A

the number in front of the variable

81
Q

literal equation

A

an equation having mostly variables

82
Q

nonlinear equation

A

an equation whose solution set does not form a straight line when plotted on a coordinate graph

83
Q

multiplicative inverse

A

the reciprocal of the number

84
Q

linear equation

A

an equation whose solution set forms a straight line when plotted on a coordinate graph

85
Q

negative multiplication property of inequality

A

reverse the inequality sign when multiplying (or dividing) by a negative number

86
Q

monomial

A

an algebraic expression consisting of only one term

87
Q

means

A

inner terms in a proportion

88
Q

multiplicative axiom of equality

A

if a = b and c = d, then ac = bd

89
Q

whole number

A

0, 1, 2, 3, and so on

90
Q

variation

A

a relationship between a set of values of one variable and a set of values of other variables

91
Q

x-axis

A

the horizontal axis in a coordinate graph

92
Q

y-coordinate

A

the second number in the ordered pair

93
Q

vinculum

A

a line placed over (sometimes under) a digit or group of digits in a repeating decimal fraction to show which digits are repeating

94
Q

Venn diagram

A

a pictorial description of sets

95
Q

y-axis

A

the vertical axis in a coordinate graph

96
Q

x-coordinate

A

the first number in the ordered pair

97
Q

unknown

A

a letter or symbol whose value is not known, a variable

98
Q

transitive axiom of inequality

A

if a > b and b >c, then a > c. Or if a < b and b < c, then a < c

99
Q

union of sets

A

all the numbers in those sets

100
Q

value

A

numerical amount

101
Q

trinomial

A

an algebraic expression consisting of three terms

102
Q

variable

A

a symbol used to stand for a number

103
Q

universal set

A

the general category set, or the set of all those elements under consideration

104
Q

trichotomy axiom of inequality

A

the only possible relationships between two numbers are: a > b, a = b, or a < b

105
Q

system of equations

A

simultaneous equations

106
Q

subset

A

a set within a set

107
Q

square

A

the result when a number is multiplied by itself

108
Q

transitive axiom of equality

A

if a = b and b = c, then a = c

109
Q

symmetric axiom of equality

A

if a = b, then b = a

110
Q

square root

A

the number that when multiplied by itself gives you the original number

111
Q

substitution method

A

a method of solving simultaneous equations that involves substituting one equation into another

112
Q

term

A

a numerical or literal expression with its own sign

113
Q

rule

A

a method of naming a set by describing its elements

114
Q

simplify

A

to combine several or many terms into fewer terms

115
Q

solution set (or solutions)

A

all the answers that satisfy the equation

116
Q

set

A

a group of objects, numbers, and so forth

117
Q

roster

A

a method of naminga set by listing its members

118
Q

set builder notation

A

a formal method of describing a set

119
Q

simultaneous equations (system of equations)

A

a set of equations with the same unknowns or variables

120
Q

slope of a line

A

the ratio of the change in y to the change in x in a linear equation; rise/run

121
Q

reducing

A

changing a numerical or algebraic fraction into its lowest terms

122
Q

ratio

A

a method of comparing two or more numbers

123
Q

radical sign

A

the symbol used to designate square root

124
Q

repeating decimal

A

a decimal fraction that continues forever repeating a number or block of numbers

125
Q

real numbers

A

the set consisting of all rational and irrational numbers

126
Q

relation

A

any set of ordered pairs

127
Q

range

A

the set of all second (or y) coordinates from the ordered pairs in a relation

128
Q

reflexive axiom of equality

A

for any number a, a = a

Math - Evan Luc (6 decks)

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