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Rationalizing denominators of expressions | Rational expressions | Algebra II | Khan Academy

171,550 views

Khan Academy

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

99%
  • 4:56 / 4:58

Speech Rate:

  • 175 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

simplified

/ˈsimpləˌfī/

verb

To make something easier to do, use or understand.

numbers

/ˈnəmbər/

noun other verb

arithmetical value expressed by word, symbol, or figure. Symbols such as 1, 2, 56, 793. make as total.

divisible

/dəˈvizəb(ə)l/

adjective

capable of being divided.

expression
noun

Group of words that have a specific meaning.

radical

/ˈradək(ə)l/

adjective noun

Very new and different from what is traditional. person who advocates thorough or complete political or social reform.

problems

/ˈpräbləm/

noun other

unwelcome or harmful matter. Some things difficult to deal with or causes troubles.

numerator

/ˈn(y)o͞oməˌrādər/

noun

Dividend of a fraction.

divided

/diˈvīdəd/

adjective verb

split into parts. To split numbers by another number, e.g. 6 / 2 = 3.

principle

/ˈprinsəpəl/

noun

fundamental truth or proposition.

simplification

/ˌsimpləfəˈkāSH(ə)n/

noun

Act of making easier to do, use or understand.

simplify

/ˈsimpləˌfī/

verb

make something simpler or easier to do or understand.

talking

/ˈtôkiNG/

adjective noun verb

engaging in speech. action of talking. To make a formal speech about something.

rationalizing

/ˈraSHənlˌīz/

verb

attempt to explain or justify behaviour or attitude with logical reasons.

outside
adjective adverb noun preposition

situated on or near outside. Beyond the limits or edges of some place, thing. external side or surface. Beyond the limits or edges of some place, thing.

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