Math Words

Front 1

abscissa

Back 1

x-cordinate

the distance from a point to the vertical or y-axis, measured parallel to the horizontal or x-axis.

Front 2

absolute value

Back 2

the distance from 0 to x of a number x on the number line:｜x｜
｜-3｜= -(-3)=3 and｜+3｜=3

Front 3

acute angle

Back 3

an angle whose degree measure is greater than 0 but less than 90.

Front 4

addictive inverse

Back 4

the opposite of a number. the sum of a numver and its additive inverse is 0.

Front 5

adjacent angles

Back 5

two angles that have the same vertex, share one side, but do not overlap.

Front 6

alternate interior angles

Back 6

a pair of angles with different vertices that lie b/w two lines and on opposite sides of a transversal.
/
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/
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/

Front 7

altitude

Back 7

the length of the perpendicular line from a vertex to the opposite side of a figure: +

Front 8

angle of depression

Back 8

the angle formed by a horizontal line of vision and the line of sight when an object is viewed beneath the horizontal line of vision.
伏角

Front 9

angle of elevation

Back 9

the angle formed by a horizontal line of vision an d the line of sight when an object is viewed above the horizontal line of vision.
仰角
○
/
/
＿◎/＿＿＿＿＿＿＿＿＿＿＿＿

Front 10

area

Back 10

the number of unit squares that a region encloses.
面積

Front 11

associative property

Back 11

the law
(a x b)x c= a x (b x c)

Front 12

axis of symmetry

Back 12

An object or figure which is indistinguishable from its transformed image is called mirror symmetric
対称軸

Front 13

base angles of an isosceles triangle

Back 13

二等辺三角形

Front 14

base of a power

Back 14

the number that is used as the factor when a product is expressed in exponential form.

Front 15

binomial

Back 15

polynomial with two unlike terms.
2x+3y

Front 16

bisector

Back 16

a line, ray, or line segment that divides an angle or line segment into two parets tht have the same measure.
二等分線

Front 17

box-and-whisker plot

Back 17

a diagram that shows how spread out data are about the medianusing five key values: the lowest score, the lower quartile, the median, the upper quartile, and the highest data value.

Front 18

circle

Back 18

the set of points (x,y)in a plane that are the same distance r, called the radius, from a fixed point(h,k), called the center.
(x-h)2+(y-k)2=r2

Front 19

circumference

Back 19

円周
C=2πr

Front 20

closure property

Back 20

a set is closed under the operation if performing that operation on members of that set always produces another meber of the same set. the set of integers is closed under addition, but is not closed under division.

Front 21

coefficient

Back 21

the number by which the variable factor in a monomial are multiplied.
-5xy2 is -5.
係数

Front 22

collinear points

Back 22

points that lie on the same line

Front 23

combination

Back 23

a selection of objects from a set w/o regard to order, as in choosing people from a committee to join a subcommittee
数字の組み合わせ

Front 24

combination notation

Back 24

nCr=n!/ r!(n-r)!

Front 25

communicative property

Back 25

the mathematical law that states that the order in which two numbers are added or multiplied does not matter.

Front 26

complementary angles

Back 26

two angles whose degree measures add up to 90.

Front 27

compound loci

Back 27

the set of points that satisfy two or more locus(軌跡)conditions.

Front 28

conditional statement

Back 28

a statement of the form "if statement p, then statement q," which is always true except in the single instance when p is true and q is false.

Front 29

congruent figures

Back 29

figures that have the same size and the same shape.

Front 30

congruent triangles

Back 30

two triangles for which any one of the conditions is true.

Front 31

conjugare pair

Back 31

the sum and difference of the same two terms, as in a+b and a-b

Front 32

conjunction

Back 32

two statements joined by the logical connective AND.

Front 33

constant

Back 33

a quantity that does not change in value.

Front 34

contrapositive

Back 34

the conditional statement formed by switching and negating both parts of another conditional.
"if p, then q" is "if not q, then not p"

Front 35

converse

Back 35

the conditional statement formed by switching both parts of another conditional. the converse of "if p, then q" is "if q, then p."

Front 36

coordinate plane

Back 36

a plane divided into four rectangular regions, called quadrants, by a horizontal number line and a ventricular number line intersecting at their zero points, called the origin.
座標

Front 37

corresponding angles

Back 37

a pair of angles consisting of one interior angle and one wxterior angle with different bertices on the same side of a transversal.
同位角

Front 38

cosine ratio

Back 38

in a right triangle, the ratio of the lingth of the leg that is adjacent to a given acute angle to the length of the hypotenuse.
コサイン

Front 39

counting principle

Back 39

the fact that, if event A can occur in m ways and event B can occur in n ways, then the number of ways in which both events can occur is m times n.

Front 40

cumulative frequency

Back 40

the sum of all frequencies from a given data point up to and including another data point.
cumulative 次第に増加する
frequency 度数、頻度

Front 41

cumulative frequency histogram

Back 41

a histogram whose bar heights represent the cumulative frequencies at stated intervals.
histogram 柱状図

Front 42

degree

Back 42

a unit of angle measure representing 1/360 of one complete circular rotation of a ray about its endpoint.

Front 43

degree of a monomial

Back 43

the sum of the exponents of the variables in the monomial.
monomial 単項式

3ax2y5 is 7

Front 44

degree of polynomial

Back 44

the greatest degree of the terms of polynomial.
polynomial 多項式

y=x2+5x+11 is 2

Front 45

dilation

Back 45

a transformation in which a figure is enlarged or reduced in size without changing its shape.

Front 46

direct variation

Back 46

variation in which the ratio of two bariable quantities remains the same.

Front 47

disjunction

Back 47

two statements joined by the logival OR.
p and q is true when p is true, q is true, or p and q are aboth true.

Front 48

distance formula

Back 48

the formula for the distance d b/w points A(Xa, Ya) and B(Xb, Yb): d= √(Xb-Xa)2 + (Yb-Ya)2

Front 49

distributivve property

Back 49

the mathematical law that states that
a(b+c)= ab + ac
(b+c)a= ba + bc

Front 50

equation

Back 50

a statement formed by placing an equal symbol b/w two math expressions or numbers.