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abscissa

absolute differenceThe x-coordinate in any point on the Cartesian graph

(x, y)

absolute errorThe distance on a number line between 2 values.

|x - y|

absolute valueThe difference between the experimental (Actual) value and expected or theoretical value

abundant numbersA positive number representing the distance from 0 on a number line

accelerationA number with a sum of proper divisors greater than the number itself

accountingRate of change of the velocity with respect to time. Denoted as A(t).

accounting rate of returnmeasurement and communication of financial information

accrued couponfinancial ratio used in capital budgeting

Average Return / Average Investment

accumulated valueaccrued interest is the interest on a bond or loan. The accumulation continued since the principal investment

accuracyThe total value of an investment, including principal and interest accrued

actualHow close a measurement is to the true value

actuaryresults or observations that happen in real life

acute angleperson who deals with the management of risk and uncertainty

acute triangleangle measuring less than 90 degrees

addA triangle for which all interior angles are acute.

addingTo bring two or more numbers (or things) together to make a new total

+

adding polynomialsThe sum of elements

additionAdding two polynomials and grouping like terms

addition equalitymath operation involving the sum of elements

addition factAdding the same value to both sides of an equation does not change the equality of both sides

Addition Property of InequalityThe combinations of all sums of two 1-digit numbers

addition tableAdding the same value to both sides of an inequality does not change the equality of both sides

additiveA table showing the values of two numbers added together

additive identityhaving the property that the sum of two quantities is equal to the sum of the values of each quantity

additive inversewhen you add any number to zero, the result is the original number

adjacent anglesthe number you add to (n) to get a result of zero

adjointTwo angles which have a common side and common vertex and do not overlap

aerobicthe transpose of a cofactor matrix

affine cipherexertion or organism requiring oxygen

affixsubstitution cipher, wherein each letter in an alphabet is mapped to its numeric equivalent, encrypted using a simple mathematical function, and converted back to a letter

agean additional element placed at the beginning or end of a root, stem, or word, or in the body of a word, to modify its meaning.

age differencethe length of time that a person has lived or a thing has existed

algebraThe amount of change between the ages of 2 people

algebraic expressionStudy of symbols and rules in math

algebraic substitutionA way to write a mathematical expression from a phrase

algebraic substitutionsAn algebraic expression with substitution rules for each unknown variable

algorithmPutting numbers where the letters are in algebraic equations

aliquot sumA process to solve a problem in a set amount of time

alphaaliquot sum is the sum of all the factors of a number except the number itself

alternative hypothesisA letter of the greek alphabet used for math notation.

Α α

altitudeopposite of null hypothesis. One of the proposed proposition in the hypothesis test.

H_{1}

amortizationsegment from the vertex of a triangle ot the other side of the triangle

anaerobicRepayment schedule of a loan principal over time

anagramexertion or organism not requiring oxygen

analysisWord or phrase formed by rearranging the letters of a different word or phrase

angledetailed examination of the elements or structure of something

angle of elevationthe figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle.

angle ratio for a trianglean angle that is formed between the horizontal line and the line of sight.

Angle Side AngleAn amount to express the size of each angle in relation to all three angles of a triangle

angular momentumpostulate states that if two angles and the included side of one triangle are congruent to two angles and the included side of another triangle, then the triangles are congruent

annual percentage raterotational force

annuitythe yearly interest generated by a sum that is charged to borrowers or paid to investors.

annuity tableA stream of payments

annulusA table if interest rates and factors for annuities

anovaA ring shaped object, bounded by two concentric circles

antilogAnalysis of variance - statistical models used to analyze the differences among group means

apocalyptic powerinverse log calculation

y = antilog x --> 10^{x}

apothemA number of the form 2^{n}that contains the digits 666

apothem of a pentagona line segment from the center to the midpoint of one of its sides

apothem of a polygonline segment from the center of the pentagon to the midpoint of one of its sides

appreciationline segment from the center of the polygon to the midpoint of one of its sides

approximationthe rise in the value of an asset

arbitraryanything that is intentionally similar but not exactly equal to something else.

arcA number which could be any number it is defined to be but for which no specific value is chosen.

arc length of a circlea portion of the boundary of a circle or a curve

arccosineDistance formed from the central angle

2πrC/360

arcsineinverse cosine function of x when -1?x?1

arctangentinverse sine function

areainverse tangent function

area codeNumber of square units covering the shape

area of a circlenumbering plan to classify each region in a calling area

area of a hexagonNumber of square units covering a circle

πr^{2}

area of a kiteNumber of square units covering a hexagon

area of a pentagonNumber of square units covering a kite

area of a polygonNumber of square units covering a pentagon

area of a rectangleNumber of square units covering a polygon

area of a rhombusNumber of square units covering a rectangle

area of a squareNumber of square units covering a rhombus

area of a trapezoidNumber of square units covering a square

area of equilateral triangleNumber of square units covering a trapezoid

area of the sector of a circlesqrt(3)s^{2}/4

arithmetic annuityNumber of square units covering a circle sector

arithmetic perpetuityA finite stream of payments with a first payment P, and each successive payment increasing by r

arithmetic sequenceA infinite stream of payments with a first payment P, and each successive payment increasing by r

arrayA set of numbers starting with a number n, and each successive number adds an amount (r)

ASAItems (such as objects, numbers, etc.) arranged in rows andor columns.

ascendingAngle Side Angle. Another trigonometry postulate. If the corresponding two angles and included side are equal on 2 triangles, then both triangles are congruent.

asciito arrange numbers in increasing order, that is, from smallest to largest.

assetAmerican Standard Code for Information Interchange, is a character encoding standard for electronic communication

Associative Property of AdditionResources of value in accounting. Land, Equipment, Cash are examples

Associative Property of MultiplicationA property stating the addition of numbers is the same regardless of grouping

ASVABA property stating the multiplication of numbers is the same regardless of grouping

asymptoteArmed Services Vocational Aptitude Battery - Aptitude test for the military

atmospherea line that continually approaches a given curve but does not meet it at any finite distance

atomic weightthe force exerted on a surface by the air above it as gravity pulls it to Earth

automorphic numbersmass of an atom

averageA number with a square ending in the same digit as the original number

Example: 5^{2}= 25

Average Accounts ReceivableA number expressing the central value of a set

Sum of Values/n

Average Collection PeriodExpected number of accounts receivable for a period

average deviationNumber of days between a sale credit and collection from the customer

average inventoryMean of the absolute values of the distance from the mean for each number in a number set

axiomexpected inventory balance in a period

0.5(Beginning Inventory + Ending Inventory)

axis of symmetryA statement accepted as true without proof. an unprovable rule or first principle accepted as true because it is self-evident or particularly usefu

A line dividing a parabola into two equal halves. Both halves represent reflections of each other