# glosario de términos matemáticos en inglés

Post on 19-Dec-2015

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Para cursos de álgebra dictados en inglés, y para personas, las cuales el inglés no es su lengua nativa.

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• Glossary

Thetermsusedsofarinthecourse:

Symbol:+

Difference,subtraction

Symbol:

Thetakingawayofonenumericalvaluefromanothervalue.

Multiplication,product

Symbol(s):*

• Division,quotient

Symbol(s):/:andxy

Thetakingawayofonenumberfromastartingnumberuntilyouareatzero.

Negative

Symbol:,thedashasin:x

Avaluewhichistotheleftof0onthenumberline.

Positive

Symbol:Mostfrequentlynone,occasionallythe+signforemphasis.

Avaluewhichistotherightof0onthenumberline.

Absolute

Symbol(s):|x|

Thedistancebetweenthenumberxandzero.

|3|=3,|3|=3

Distance

Thenumberofunitsofthenumberlinebetweenthelargestandsmallestnumber.

Thedistancebetween2and7is72=5

Evaluate

• Tosolvetheequation,orapartofit.

Equation,expression

7+2*3/5=x

x,y

Mathematic'sfirstandsecondgreatunknowns.Basicallyashortwayofsaying:Idon'tknowthisvariablesoIreplaceitwithalettertoshortenmyequation.See'variable'.

Equals

Symbol:=

Thebalancingsymbol.Whateverexpressionisontheleftsideofitmustbeequaltooneontheright.

2=24

OrderofEvaluation:P.ER.MD.AS

P.ER.MD.ASisashorthandfortheorderofoperations.Itstandsfor:

1. Parenthesis

2. ExponentsandRoots

3. MultiplicationandDivision

EvaluationstartswithP,thenEandR,thenMandDandfinallyAandS.

Parentheses,bracketsandbraces

Symbols:(and),[and],{and}

Ameansofstatingorderofevaluation.Whateverisbetweentheparenthesismustbeevaluatedbeforeanythingelse.Bracketsandbracesareusedtoreplaceparenthesesoftherearealotofthem.

(52)*4=12

{4*[7+(4/2)]}=x

Distributing(DistributiveLaw)

Theactofgettingridofparenthesisinamultiplicationbymovinginthemultipliertoeachoftheelementsinsidetheparenthesis.

4*(52)=4*54*2

Factoringout(DistributiveLaw)

Theactoftakingoutduplicatemultipliers.

3*8+3*23*7=3*(8+27)

Average