By Levels

Library

EXP: 08888
HITS: {{lyricTraining.hits}}888
STREAKS: {{lyricTraining.streaks}}888
TIME: {{lyricTraining.timeout / 1000}}88
{{word.word}}

{{cue.translated_text}}

{{lyricTraining.hint}}

x{{playblackSpeed.toFixed(2)}}

Loading ..

Not Found

{{annotation.word}} ({{annotation.pos_simplify}})

/{{annotation.phonetic}}/

{{annotation.translation}}

{{annotation.name}}

{{annotation.sub_type}}

{{annotation.definition}}
Back

Games & Quizzes

Training Mode - Typing
Fill the gaps to the Lyric - Best method
Training Mode - Picking
Pick the correct word to fill in the gap
{{game.name}}
{{game.description}} Requires {{game.required_annotions}} vocabulary annotations

Congratulations! You gained {{totalPoint}} XP

You may need to watch a part of the video to unlock quizzes

Don't forget to Sign In to save your points

Repeat Skip ({{game.question_index}}/{{game.questions.length}})
{{part}}
Repeat Skip ({{game.question_index + 1}}/{{game.questions.length}})
{{choice.text}}
{{choice.text}}

Make correct pairs from two columns

{{lyricTraining.finished && lyricTraining.timed_out ? 'Timed Out' : 'Challenge Accomplished'}}

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}}
REMAINING TIME {{lyricTraining.timeout / 1000}}s +{{lyricTraining.timeout / 1000}}
TOTAL +{{lyricTraining.exp}}
{{word.word}} - {{dictionary.definition[0].phonetic || ("/" + dictionary.phonetics +"/")}} - {{word.translation}}

We couldn't find definitions for the word you were looking for.
Or maybe the current language is not supported

{{simpleDefinition.pos}}

{{simpleDefinition.def}}

{{word.word}}

Sentences & parts of speech:

  • {{tag.normal}} {{tag.pos_name}}

  • {{c.startTime | duration}}


    {{c.translated_text}}

All {{pos.pos_simplify}}
{{a.word || a.name}}
/{{a.phonetic}}/
{{a.type || a.sub_type}}
{{a.translation}} 		{{a.definition}}

Optimization with Calculus 1

714,507 views

Khan Academy

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

95%
  • 9:22 / 9:50

Speech Rate:

  • 170 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

negative

/ˈneɡədiv/

adjective exclamation noun verb

In mathematics, being less than zero. no. word or statement expressing denial. refuse to accept.

squares

/skwer/

noun other verb

plane figure with four equal straight sides and four right angles. Shapes with 4 equal length sides and 4 equal angles. make square or rectangular.

optimization

/ˌäptəməˈzāSHən/

noun

action of making best use of situation or resource.

numbers

/ˈnəmbər/

noun other verb

arithmetical value expressed by word, symbol, or figure. Symbols such as 1, 2, 56, 793. To put numbers on things.

maximums

/ˈmaksəməm/

noun other

greatest amount. Largest or highest number or amount of something.

functions

/ˈfəNG(k)SH(ə)n/

noun other verb

activity natural to or purpose of person or thing. What some things are intended to be used for; purpose. To be operating, working or achieving its purpose.

finding

/ˈfīndiNG/

noun verb

Something you discover or find out; a result. To learn through study, research, or effort.

problems

/ˈpräbləm/

noun other

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

figured

/ˈfiɡyər/

verb

To understand after thinking; work out.

learned

/ˈlərnəd/

adjective verb

having acquired much knowledge through study. To get knowledge or skills by study or experience.

minimums

/ˈminəməm/

noun other

least or smallest amount or quantity possible or required. Smallest degree or level that is acceptable.

product

/ˈprädəkt/

noun

Item that can be bought.

Q
W
E
R
T
Y
U
I
O
P
A
S
D
F
G
H
J
K
L
Z
X
C
V
B
N
M