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Proof that square root of 2 is irrational | Algebra I | Khan Academy

465,613 views

Khan Academy

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

99%
  • 7:45 / 7:47

Speech Rate:

  • 168 wpm - Fast

Category:

  • Education

Tags :

Intro:

Special thanks to The Free Dictionary for providing us with the information used in this web page

Video Vocabulary

actually

/ˈak(t)SH(o͞o)əlē/

actually
adverb

as truth or facts.

assuming

/əˈso͞omiNG/

assuming
adjective conjunction verb

arrogant or presumptuous. used for purpose of argument to indicate premise on which statement can be based. To believe, based on the evidence; suppose.

contradiction

/ˌkäntrəˈdikSH(ə)n/

contradiction
noun

Saying or showing something is not so.

rational

/ˈraSH(ə)n(ə)l/

rational
adjective noun

based on or in accordance with reason or logic. rational number.

integers

/ˈin(t)əjər/

integers
noun other

number which is not fraction. Math a whole number.

factors

/ˈfaktər/

factors
noun other verb

something that contributes to result. Some things that influences a result. To find the two numbers a number can be divided by.

irrational

/i(r)ˈraSH(ə)nəl/

irrational
adjective noun

not logical or reasonable. irrational number or quantity.

opposite

/ˈäpəzət/

opposite
adjective adverb noun preposition

Being totally different from. in opposite position. opposite person or thing. facing.

through

/THro͞o/

through
adjective adverb preposition

From one end or side of something to the other. expressing movement into one side and out of other side of opening etc.. moving in one side and out of other side of.

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