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Training Mode - Typing
Fill the gaps to the Lyric - Best method
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Pick the correct word to fill in the gap
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Make correct pairs from two columns

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PERFECT HITS {{lyricTraining.stats.PERFECT_HITS}} +{{lyricTraining.stats.PERFECT_HITS * 20}}
HITS {{lyricTraining.stats.HITS}} +{{lyricTraining.stats.HITS * 10}}
LONGEST STREAK {{lyricTraining.stats.LONGEST_STREAKS}} +{{lyricTraining.stats.LONGEST_STREAKS * 10}}
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{{word.word}} - {{dictionary.definition[0].phonetic || ("/" + dictionary.phonetics +"/")}} - {{word.translation}}

We couldn't find definitions for the word you were looking for.
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Sentences & parts of speech:

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  • {{c.startTime | duration}}


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All {{pos.pos_simplify}}
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Another substitution with x=sin (theta)

185,266 views

Khan Academy

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

98%
  • 5:03 / 5:08

Speech Rate:

  • 181 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

simplify

/ˈsimpləˌfī/

verb

make something simpler or easier to do or understand.

pattern

/ˈpadərn/

noun verb

repeated decorative design. decorate with pattern.

indefinite

/ˌinˈdef(ə)nət/

adjective

lasting for unknown or unstated length of time.

rewrite
noun verb

instance of rewriting something. write something again so as to alter or improve it.

evaluate

/əˈvalyəˌwāt/

verb

To form an idea to judge something carefully.

substitution

/ˌsəbstiˈt(y)o͞oSH(ə)n/

noun

action of replacing person or thing with another person or thing.

denominator

/dəˈnäməˌnādər/

noun

Bottom number in a fraction.

something

/ˈsəmˌTHiNG/

adverb pronoun

used for emphasis with following adjective functioning as adverb. Thing that is not yet known or named.

squared

/skwerd/

adjective verb

(Of number) multiplied by itself (e.g. 2 x 2). To make something balance or be equal.

appropriate
adjective verb

suitable or proper in circumstances. To set aside money for a specific later purpose.

probably

/ˈpräbəblē/

adverb

certainly.

clearly

/ˈklirlē/

adverb

In a way that is easy to understand; obviously.

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