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Math Dictionary

Math Dictionary
( A - C ) ( D - F ) ( G - K ) ( L - P ) ( Q - T ) ( U- Z )

Q
quadrable - that can be squared.
quadragenarian - forty years old; between forty and fifty.
quadrangle - a four sided space or court wholly or nearly sorrounded by building .
quadrangular pyramid - one whose base is a quadrilateral.
quadrant - (1) a quarter of the circumference of a circle.
(2) the area contained by such an arc and two radii drawn perpindicular to each other.
quadratic triangle - it is a spherical teriangle one to whose side is equal to 90 degreed
quadratic formula - the formula that says the resoloution to a 2nd degree (quadratic)
quadrrennial - consisting or lasting for four years;occuring every years.
quadrrennium - a period of four years.
quadricentennial - having to do with 400 anniversary .
quadric - of the second degree applied especially to functions or equation with more than two variables.
quadrifarious - a set or arranged in four rows;fourfold.
quadrilateral - having four sides and four angles.
quadrilateral - a polygon with 4 sides
quadripartie - shared by four parties of person:consisting of four parts.
quadruped - an animal having four feet.
quadrupled - to make or become four times as great or as many.
quadruplicate - repeated four times;four copies all alike.
quadruplete - one or four children born at the same time of the same mother.
quart - a measure of liquids,equal to 1/4 of a gallon.
quarter - to divide into four equal parts.
quarterage - quarterly payment,charge or allowances.
quarterly - occuring,issued,or payable a 3 3 months intervals.
quartiles - are quantiles which divide a given data into four equal parts.
quartic - a polynomial of degree 4.
quarto - the site of a piece of paper cut four from a sheet.
quatrain - a unit of four lines of verse.
quintic - a polynomial of degree.
quintuple - having 5 units or members;being five times as great as many.
qoutient - the answer to a division problem.
quotation - the act or;process of qouting;the price currently bid or offered something.

R
radian - used as a unit of measure in the study of directed angles.
radical sign - the mathematics sign put before a number or an expression, to show that
same root of it, is to be found by calculation.
radical axis - the straight line joining of the points of intersection of two circles,or between
two circles that do not intersect ,from which tangents at any point to both circles
will be of equal length.
radical expression - an expression especially an irrational number or quantity involving a radical sign.
radicand - a number or expression under a radicand symbol..
Radius:
. of a circle - a segment from the center of a circle to a point on the circle.
. of a reglar polygon - a radius of the circumscribed circle of the polygon.
Range
. of values - the difference between the greatest and the least value in a data set.
. of function - the output values of a function .
radius - the distance from the centerpoint to the circumference of a circle.
range - the distance between certain limits.
rate - quantity amount or degree measureed by some standard: a charge, payment, or priced fixed
according to ratio,scales, or standard.
ratio - the comparison of two numbers by division.
rational number - numbers that can be expressed as ratios of integers.
real numbers - the set of all rational and irrational numbers which taken together,form the "number line"
rebate - a return of part of a payment;deduction;abatement;discount.
receipt - a written acknowledgement of something received
recipient- one that receives.
receivable - subject to call for payment.
receiver - a person legally appointed to receive and have charge of property or money involved in a law suit.
reciprocal - the number so related to another that when mutiplied together they give one.
rectangle - a quadrilateral with four right angles
redouble - to double again.
reduction - a dilation with a scale factor less than one but greater than zero.
reflection - a transformation in which a geometric figure is flipped over a line of reflection.
reflexive property - x=x for all x.Every number equals itself.
refund - to give or put back (money);repay.
REGULAR:
.polygon - a concex polygon that is both equilateral and equiangular.
.polyhedron - in which all faces are congruent regular polygons.
.prism - a prism in which the lateral edges are perpendicular to the bases.
.pyramid - a pyramid with a regular polygon as the base and all lateral edges are congruent.
relation - a set of ordered pairs.
remainder - the number left over after substracting one number from another.
remote interior angles - the two angles of a triangle opposites - as opposed to adjacent to an exterior angle.
repeating decimal - a decimal in which the digits endlessly repeat a pattern.
restraining circle - a circle on a basketball court,having a diameter of 12 feet and containing the center circle.
rhombus - a quadrilateral with four congruent sides.
right angle - an angle with degree measures of 90.
right cone - a cone in which the axis is perpendicular to the base.
right prism - a [rism in which the lateral edges are penpindicualr to the bases.
right triangle - a triangle having one right angle.
roman numeral -they are numerals expressed by the letter I,C,L,X,M,D
root - the quantity that produces another quantity when multiplied by itself a certain number of times
rotation - a transfromation that is a composite of two reflection with respect to two intersecting line.
rotational symmetry - symmetry such that a figure can be rotated x0 about a point so that the figure
appeara identical ot its original position.

S
salary - fixed pay for regualr work
sale - the act of selling
sales - the amount of sold
sale and leaseback - an arrangement whereby a company sell part of its property to another organization,and takes
out a long term lease on the property.
same side interior angles -two interior angles on the same side of a transversal;
sale and return - an arrangement whereby a retailer accepts goods from a wholeseller on condition that he may return any part
of the goods that he fails to sell.
sample - the portion of a population that is used for a statiscal study.
sample space - all the possible outcomes of an event.
scalar - a quantity that has size but no direction
scalene triangle - a triangle with three unequal sides.
scalar multiplication - multiplication of a vector by a number.
scale factor - the number by which the orginal dimension of a figure are multiplied in order to enlarge or reduce the
original figure proportionally.
scalene - having no congruent sides
scientific notation - a number written in the form a x 10 where "a" is greater than or equal to 1 but less than10,
and "n" is any integer.
secant - a line which intersects a circle in two points.
sector - of a circle,the region formed by two radii and an arc of the circle.
segment - a set of points consisting of two end points and all points between them.
set - a numbers, any group of numbers having one or more common attributes.
side - in angle,the two rays that form the sides of the angle
sign - a symbol used especially to indicate an operation to be performed on a quantity or number or a relation
of quantities or number
similar polygons - two polygons that have exactly the same shape but,not necessarily the same
size , corresponding angles must be congruent and corresponding sides are proportional.
simultaneous equations - a group of equations that are all true at the same time.
Simples Form:
, of a polynomial - when a polynomial contains no like terms.
. of a radical - when the radicand has no perfect square factors other than 1.
. of a rational expression - when the numerator and denominator of the expression have no common
factors other than 1.
sine curve - a curve showing the relationship between the size of an angle and its sine,plotted by
using the successive values as coordinates.
sine ratio - in a right triangle for either acute angle,the ratio of the length of the side opposite the angle
to the length of the hypotenuse
single - one and no more
single space - to leave no blank line between lines in typing .
singleness - oneness; state or quality of being single.
single tax - a tax on one kind of property only, especially a tax on land.
single ticket - one way ticket
skew - twisted to one side.
skew lines - noncoplanar lines that do not intersect.
skew arch - an arch whose axis is not perpendicular to the face of the wall or member,against which it abuts
slant - to slope to go ; go off at an angle.
Slant Height :
. pyramid - the height of a lateral face of a regualr pyramid.
. right cone - the distance from vertex to the base along the surfaces of the right cone.
slope - of a line,is determined by the change in the vertical distance divided by the change in the horizontal distance
between two points on the line;the slope of a vertical line does not exist and the slope of a horizontal line is 0
slope intercept form - of the equation of a line is of the form y =mx +b where "m" is the slope and "b" is the
y - intercept.
solid - the unio of a surfaces and the region of space enclosed by the surfaces.
solid geometry - the study of figures in 3 dimensional space
. system - of equations, an ordered pair that is the solution of all the equations in all system.
south - the direction to the right as one faces the rising sun.
space - the set of a all points in a geometry .
sphere - the set of all points in space in given distance from a fixed point in space.
spherical - the study of points great circles and spheres;
square - a quadrilateral with four right angles and four congruent sides.
square root - it contains 144 square inches ( sq .inch.) or 12 " x 12 " = 144 sq .in.
square root - x is the number that,when multiplied by itself gives the number, x,
standard form - or the equation of a line, in the form Ax + By =C, where A and B are both not zero.
subset - A set B, is a subset of another set,A, if evry element in B is also an element of A
substitution method - an algebraic method for solving a system of linear equations.
supplementary angles - two angles whose degree measures sum to 180.
surfaces - the boundary of a 3 dimentional figure.
surface area - a study of geometry without the use of coordinates
symmetry - pleasing proportion between parts of a whole; well balance arrangement of parts.
system - of linear equation,two or more linear are considered together.

T
tangent - a line ,ray segment or plane that intersect a curve or curved surfaces in exactly one point.
tax - a money imposed by autjority on persons or property for public purposes.
tax rate - the percentage of the selling prices,value of property.
terms - the parts of a variable expression that are separated by addition or subtraction signs.
terminating decimal - a fraction whose decimal representation contains a finite number of digits.
tesselation - patterns formed by repeating shapes that fill a plane without gaps or overlaps.
tetrahedron - a polyhedron with four faces.
theorem - a mathematical statement that must be proven before it can be accepted as true.
time - a moment,hour, day or year indicated by aclock or calendar .
total - the entire amount.
trajectory - the path that a body makes as it moves through space.
transformation - a mapping that established a one -to -one correspondence between points in a plane
translation - a transformation that slides all points in a fixed distance in the plane.
transcendental number - a real number which cannot be the root or an algebraic equation in one known quated
to zero.
transit - a surveyor's instrument for measuring angles.
transitive property - the property that states that if a=b,and b=c.
transversal - a line that intersect two or more coplanar lines at different points.
trapezium - quadrilateral with no sides parallel
trapezoid - a quadrilateral has exactly one pair of parallel sides.
tree diagram - is a diagram that shows all the possible outcome of an event.
triangle - a 3 sided polygon.
KINDS OF TRIANGLE
a. acute triangle - has an angles with measures less than 90 degrees
b. right triangle - is a triangle in which one of the three angles is a right angle.
c. obtuse triangle - a triangle wherein one of the angles measures more than 90 degrees.
d. scalene triangle - is a triangle where no two sides are congruent.
e. isosceles triangle - a triangle which has two sides equal.
f. equilateral triangle - is a triangle where all the three sides are equal.
trinomial - a polynomial with exactly three terms.
trigonometric ratio - a ratio of the length of two sides or,one side and the hypothenuse,of a right triangle.
trigonometry - the study of the relationship between the sides and the angles of triangles
two -column proof - a formal proof in which statements that lead to the desired conclusion are listed in the left column
and a reason justifying each statement is listed in the right column.