Composing 3x3 matrices | Matrices | Precalculus | Khan Academy
A1 A2 B1 B2 C1 C2
nine
US / naɪn /
•UK / naɪn /
- number
- 9
think
US / θɪŋk /
•UK / θɪŋk /
- verb
- To have an idea about something without certainty
- To have an idea, opinion or belief about something
partially
US / ˈpɑ:ʃəli /
•UK / ˈpɑ:rʃəli /
- adverb
- In part; in some degree; not wholly
leave
US / li:v /
•UK / liv /
- noun
- Permission to do something
- Vacation time; time off work
- verb
- To go away from; depart
- To gift property to someone after you die
- To allow something to continue happening
- To let something remain unused or available
- To let something or someone remain somewhere
hopefully
US / ˈhəʊpfəli /
•UK / ˈhopfəli /
- adverb
- In a manner wishing something to happen
over
US / 'əʊvə(r) /
•UK / ˈovɚ /
- adverb
- Finished; no longer happening
- Towards the ground/away from a standing position
- noun
- A set of six consecutive balls bowled in cricket
- other
- Finished
- preposition
- Showing the relation when a thing is above another
- On or covering something
- Above or across something
- More than you need
- From one side to the other
- In the direction of; toward
composition
US / ˌkɒmpəˈzɪʃn /
•UK / ˌkɑ:mpəˈzɪʃn /
- noun
- Piece of writing, music etc.
- A piece of music
- Structure of a picture or image to make an effect
another
US / əˈnʌðə(r) /
•UK / əˈnʌðɚ /
- adjecitve
- One more, but not this
- determiner
- One more added
- pronoun
- One more (thing)
two
US / tu: /
•UK / tu /
- number
- 2
and
US / ənd /
•UK / ənd, ən,ænd /
- conjunction
- Used to refer to two or more things
- Plus; in addition; on top of that
- Used to introduce an action that follows another
vector
US / 'vektə(r) /
•UK / ˈvɛktɚ /
- noun
- Math a quantity that has both size and direction
not
US / nɒt /
•UK / nɑt /
- adverb
- Word indicating the negative
- (Used to form the negative of verbs)
video
US / 'vɪdɪəʊ /
•UK / ˈvɪdiˌo /
- adjecitve
- Of a moving film, with sound
- noun
- Recording capturing action with sound
- verb
- To make a moving film of, with sound
zero
US / ˈzɪərəʊ /
•UK / ˈzɪroʊ /
- noun
- Temperature when water turns to ice
- number
- Number 0
- verb
- To set a scale or other device to show 0
yellow
US / ˈjeləʊ /
•UK / ˈjeloʊ /
- adjecitve
- Color of lemons or the sun
- Lacking in courage; cowardly (used as an INSULT)
- verb
- To turn yellow, often due to being old
represent
US / ˌreprɪ'zent /
•UK / ˌrɛprɪˈzɛnt /
- verb
- To depict art objects, figures, scenes; to portray
- To show or describe something in a particular way
- To act on behalf of others in government
- To act or speak for another person or other people
transform
US / træns'fɔ:m /
•UK / trænsˈfɔrm /
- verb
- To change the shape completely in a good way
can
US / kæn /
•UK / kən,kæn /
- noun
- A metal container for storing food
- other
- Able to; have the skill to; have the time to
- verb
- To have permission to
- To be possible to do
- To preserve food by sealing it in a metal container
would
US / wʊd /
•UK / wʊd /
- other
- Used to indicate something imagined
- Used to ask or request something politely
- Verb used to indicate possibility, request etc.
- Used to indicate a preference
- Used to indicate a reaction
- Indicates something that occurred repeatedly
- Used to indicate willingness or ability to do
color
US / 'kʌlə(r) /
•UK / ˈkʌlɚ /
- noun
- Quality of things you can see, e.g. red, blue
- Pink or red in your face, e.g. after being ill
- The shade of someone's skin e.g. black, or yellow
- verb
- To change or affect someone's opinion
- To make something colorful using colored pencils
but
US / bət /
•UK / bʌt,bət /
- conjunction
- Used before you say something different, opposite
apply
US / ə'plaɪ /
•UK / əˈplaɪ /
- verb
- To spread a substance or liquid over a surface
- To commit your time and effort to doing something
- To make something useful in a certain situation
- To be relevant for a situation
- To ask formally for (job, permission etc.)
neat
US / ni:t /
•UK / nit /
- adjecitve
- That you approve of; cool
- (Of alcohol) not weakened with water or a mixer
- Not messy; clean and orderly; simple and effective
now
US / naʊ /
•UK / naʊ /
- adverb
- At the present time or moment
- Right away or in the next possible moment
- Used to refer to something that just happened
- Time between the present and a moment in the past
- conjunction
- Resulting from or because of something
really
US / ˈri:əli /
•UK / ˈriəˌli, ˈrili /
- adverb
- Used to stress something that is said; definitely
- In a true or accurate manner
- Very
those
US / ðəʊz /
•UK / ðoz /
- determiner
- The people or things we are talking about
- pronoun
- The objects far from the speaker
reminder
US / rɪˈmaɪndə(r) /
•UK / rɪˈmaɪndər /
- noun
- Something that causes one to remember something
just
US / dʒʌst /
•UK / dʒʌst /
- adjecitve
- Proper or appropriate; as is deserved
- Doing or being what is right or fair
- Legally correct; having enough evidence
- adverb
- Almost; nearly
- Exactly at the time of
- Exactly (the same as, like)
column
US / ˈkɒləm /
•UK / ˈkɑ:ləm /
- noun
- Regular series of articles in a newspaper/magazine
- Strong vertical stone pillar that holds up a roof
- Vertical line in a table or chart
through
US / θru: /
•UK / θru /
- adjecitve
- having finished using or doing something
- adverb
- From the beginning of something until the end
- preposition
- Over, in, across an entire thing or place
- Allowing you to pass between, or to
- By a particular way or process; by the use of
middle
US / 'mɪdl /
•UK / ˈmidl /
- adjecitve
- Equal distance from extremes
- noun
- Place that is halfway between two things
under
US / ˈʌndə(r) /
•UK / ˈʌndɚ /
- adjecitve
- In the same place as another thing, but lower
- adverb
- In a lower quantity or price than expected
- preposition
- According to the terms of an agreement or law
- Managed or controlled by the authority of
- Being of a lesser quality or amount than expected
- Influenced or affected by something or someone
- Less or lower in age, amount, size or number
where
US / hwɛə /
•UK / hwɛr, wɛr /
- conjunction
- At or in the place which
- In whatever place
- pronoun
- Word you use to ask the location of something
complete
US / kəm'pli:t /
•UK / kəmˈplit /
- adjecitve
- Being finished; done; achieved
- Being as perfect and as total as could be
- verb
- To finish or reach the end of doing something
see
US / si: /
•UK / si /
- verb
- To go on a date with someone
- To predict whether something is, or will be true
- To understand what someone says
- To use your eyes to look at something
- To visit a place often for sightseeing or pleasure
- To visit or meet with someone
- To find out by waiting or looking
- To watch (a game, movie or TV show)
last
US / lɑ:st /
•UK / læst /
- adjecitve
- Most recent; the latest
- The one before
- adverb
- Final; with nothing following; after all others
- Most recent; the latest
- determiner
- The one at the end
- verb
- To remain or continue for a certain period of time
could
US / kəd /
•UK / kʊd /
- other
- Past form of 'can' to mean have ability
- Used to ask for something politely, or to offer
six
US / sɪks /
•UK / sɪks /
- number
- 6
with
US / wɪð /
•UK / wɪð, wɪθ /
- preposition
- As an employee of a certain company
- Against something or someone
- By using something as a means
- Due to; because of
- Including
- Possessing as a feature
- Related to
- (Of the manner/attitude by which you do something)
- Used to express that people or things are together
away
US / ə'weɪ /
•UK / əˈwe /
- adjecitve
- Not present
- adverb
- Disappear completely
- Doing something with a lot of energy
- Not here; far from here; in a different direction
- To a different area, location
have
US / həv /
•UK / hæv /
- verb
- To drink, smoke, eat or use something
- To experience the effects of something
- To organize an event, or join in an activity
- To own, possess, or hold something
- To cause to happen or produce a particular effect
blank
US / blæŋk /
•UK / blæŋk /
- verb
- To make empty
- To cause a memory to be erased
- adjecitve
- Showing no emotion or understanding
- Being empty; not filled out; with no writing on it
- noun
- Empty space on a form which you fill in
unit
US / ˈju:nɪt /
•UK / ˈjunɪt /
- noun
- One apartment in a building
- Group of people, e.g. soldiers, that work together
- A chapter of a textbook
- A standard of measurement of something
- Single item made by a company
negative
US / 'neɡətɪv /
•UK / ˈnɛɡətɪv /
- adjecitve
- Being harmful, unwanted or unhelpful
- In mathematics, being less than zero
- Focusing on the bad aspects; pessimistic
- noun
- The opposite to a positive electrical charge
- In grammar, containing words such as 'no' or 'not'
- Reply to a question or statement that means 'no'
- Image on camera film used to make a photo
situation
US / ˌsɪtʃuˈeɪʃn /
•UK / ˌsɪtʃuˈeʃən /
- noun
- Place, position or area that something is in
- Circumstance or condition surrounding an event
- An unexpected problem or difficulty
time
US / taɪm /
•UK / taɪm /
- noun
- Speed at which music is played; tempo
- Point as shown on a clock, e.g. 3 p.m
- Number of hours, minutes needed to do something
- Occasion when something happens
- Period or occasion that something occurred
- Period in history or the past
- Something measured in minutes, hours, days, etc.
- How long an event takes; duration
- verb
- To check speed at which music is performed
- To choose a specific moment to do something
- To measure how long an event takes, e.g. a race
- To schedule something to occur at a specific moment
pause
US / pɔ:z /
•UK / pɔz /
- noun
- A temporary break before continuing
- Function on a device to stop and restart it
- Sign to hold a musical note a bit longer
- verb
- To stop doing for a while before continuing
question
US / 'kwestʃən /
•UK / ˈkwɛstʃən /
- noun
- Issue or problems you are dealing with
- What you ask about; issue
- verb
- To ask for or try to get information
- To have or express concerns or uncertainty
math
US / mæθ /
•UK / mæθ /
- noun
- Study or science of numbers and shapes
will
US / wɪl /
•UK / wɪl /
- noun
- Desire or choice of someone
- Document saying who gets your money when you die
- Strong desire to do something; determination
- Desire to do something; strong wish to do
- other
- Used with verbs to express the future
- verb
- To leave property to someone after your death
- To use mental effort to make something happen
- Am (is, are) likely to do
- To influence someone to do something
- To make something happen by strongly wanting it
after
US / 'ɑ:ftə(r) /
•UK / ˈæftɚ /
- adverb
- Later than another time, or behind something
- conjunction
- Following something before
- preposition
- When an event happened or time has passed
write
US / raɪt /
•UK / raɪt /
- verb
- To compose letters and words on paper or a screen
- To invent or create a computer program
- To create a song or piece of music
plus
US / plʌs /
•UK / plʌs /
- noun
- A benefit or advantage
- preposition
- In addition; add
- In addition to; Indicates a number above
- Having a value greater than zero
try
US / traɪ /
•UK / traɪ /
- noun
- Act of putting the ball over the rugby goal line
- verb
- To make an effort, to attempt to do something
- To examine someone or something in a court of law
- To test to see if it is good or you like it
- To make a person go through hardship; test
- To examine something to see if it works
use
US / ju:s /
•UK / ju:s /
- noun
- Ability to employ something
- Need to enable it to work
- Permission to do something with something
- Act of spending money
- Operation of a machine for its function
- verb
- To have; to eat, drink, consume etc.
- To need to operate or work
- To operate a machine, e.g. a computer
- To treat a person badly
- To do something with, for a task or purpose
four
US / fɔ:(r) /
•UK / fɔr, for /
- number
- 4
third
US / θɜ:d /
•UK / θɜ:rd /
- adjecitve
- 3rd: Number after second
here
US / hɪə(r) /
•UK / hɪr /
- adverb
- In this place; at this location, position or time
way
US / weɪ /
•UK / we /
- adverb
- Used to emphasize the amount of something
- noun
- Particular aspect of something being thought about
- One of various choices that could be made
- Particular existing condition or state
- (Often long) distance or length of time
- How something is done
- Route to go to a place
- Small street
- Usual behavior, emotions or habits of someone
add
US / æd /
•UK / æd /
- verb
- To include as well
- To put two things or numbers together, e.g. 2+2
all
US / ɔ:l /
•UK / ɔl /
- adverb
- Completely; totally
- determiner
- Being every one of something
- pronoun
- 100% of something; the complete amount
transformation
US / ˌtrænsfəˈmeɪʃn /
•UK / ˌtrænsfərˈmeɪʃn /
- noun
- A complete change in shape or form of something
direction
US / də'rekʃn /
•UK / dɪˈrɛkʃən, daɪ- /
- noun
- When someone tells people what to do
- Describes the way you are going, e.g. North
they
US / ðeɪ /
•UK / ðe /
- pronoun
- Two or more people, animals, or things
work
US / wɜ:k /
•UK / wɚk /
- adjecitve
- Activity completed in order to make money
- noun
- The product of some artistic or literary endeavor
- Everything created by an author, artist, musician
- Activity you do in order to make money
- Place of employment
- Final product or result of a some labor or effort
- verb
- To bring into a specific state of success
- To be functioning properly, e.g. a car
- To do your job in your company or workplace
- To make an effort to do something
- To operate a machine or device
bit
US / bɪt /
•UK / bɪt /
- noun
- Device put in a horse's mouth to control it
- Small piece of something
- verb
- (E.g. of fish) to take bait and be caught
take
US / teɪk /
•UK / tek /
- noun
- Filming of a single scene for TV or the movies
- verb
- To accept something that is offered
- To use a method of traveling, e.g. a bus or train
- To use a camera to make (a photo)
- To pick up something and go away with it
- To study a subject in school
- To attempt to pass (an exam)
- To require a certain amount of time, money, space
space
US / speɪs /
•UK / spes /
- noun
- Empty area kept for a specific reason, like a car
- Empty area with nothing in it
- Area in the sky where the stars are
- Area between written words on a page
- verb
- To make a certain distance or time between
one
US / wʌn /
•UK / wʌn /
- pronoun
- You; we; people in general; someone
- The thing or person previously referred to
- adjecitve
- Used to refer to people generally
- Being a strong example of (something mentioned)
- number
- Number 1
the
US / ðə /
•UK / ðə /
- article
- Used to refer to something already mentioned
- Used to show there is only one of something
- determiner
- Used to describe all of a family
image
US / 'ɪmɪdʒ /
•UK / ˈɪmɪdʒ /
- noun
- Picture, sculpture or painting of something
- General idea or opinion of something
- verb
- To obtain pictures by scanning them with a machine
quote
US / kwəʊt /
•UK / kwot /
- noun
- Written statement of the cost of something
- The (often wise or famous) words of another person
- verb
- To tell someone how much a task will cost
- To repeat precisely what a person said or wrote
construct
US / kənˈstrʌkt /
•UK / kənˈstrʌkt /
- noun
- A thought, theory or hypothesis
- verb
- To build or create something
- To create a sentence, story, argument or theory
matrix
US / ˈmeɪtrɪks /
•UK / ˈmetrɪks /
- noun
- Rock that surrounds rare stones
- Pattern of lines, spaces, or numbers
- Set of conditions that a person/thing develops in
how
US / haʊ /
•UK / haʊ /
- adjecitve
- To what degree? in what amount?
- adverb
- (Used to explain the way to do something)
- exclamation
- For what purpose or reason?
- (Used to ask someone or something's condition)
let
US / let /
•UK / lɛt /
- verb
- To allow someone to do something
- Introducing a suggestion to do something together
- To rent a house, etc. to others
this
US / ðɪs /
•UK / ðɪs /
- adjecitve
- Used to indicate something already been discussed
- Used to indicate something happening around now
- adverb
- An indication by a physical motion or gesture
- A specific amount of
- determiner
- Person, thing, or idea near you
- pronoun
- Person, thing that has already been discussed
three
US / θri: /
•UK / θri /
- number
- Number 3
you
US / jʊ /
•UK / ju /
- pronoun
- Person someone is speaking or writing to
- Person or people in general
little
US / 'lɪtl /
•UK / ˈlɪtl /
- adjecitve
- Being short in length of time
- Not great in size, amount, or degree; small
- Being very young or younger than others
- adverb
- By an amount or degree that is not very much
- Not often; rarely
- noun
- A person's name
first
US / fɜ:st /
•UK / fɚst /
- adjecitve
- 1st; Coming before all others in time or place
- noun
- Something that has not happened before
- Position of the winner of a competition
thinking
US / ˈθɪŋkɪŋ /
•UK / ˈθɪŋkɪŋ /
- noun
- Thoughts behind an idea, opinion or belief
- verb
- To have an idea, opinion or belief about something
each
US / i:tʃ /
•UK / itʃ /
- determiner
- Every one of two or more things
- pronoun
- Per one person or thing
purple
US / 'pɜ:pl /
•UK / ˈpɚpəl /
- adjecitve
- Being a color that is a mixture of red and blue
that
US / ðæt /
•UK / ðæt, ðət /
- adjecitve
- The person or thing being talked about
- Used to identify something both the speakers know
- adverb
- Used to reinforce adjectives and adverbs
- To such a degree
- conjunction
- Used to connect a noun clause
- Used to introduce an adverbial clause
- Used to introduce a noun clause
- determiner
- Used as a noun to refer to something
- pronoun
- Referring an object far away
- Used to refer to the relative pronoun ‘which’
right
US / raɪt /
•UK / raɪt /
- adjecitve
- Correct or true
- The south side of you looking at the rising sun
- adverb
- Exactly in a place or time
- Being appropriate for a particular event
- In a straight or direct manner
- noun
- Something you are legally or morally allowed to do
- Ideal of what is just and good
- Political view based on conservatism
- verb
- To fix something previously wrong or unjust
- To make upright, as a boat that has turned over
then
US / ðen /
•UK / ðɛn /
- adverb
- A time that is not now
- Following another thing in time or arrangement
- Following on reasonably from what was just stated
- At that time, not now
about
US / ə'baʊt /
•UK / əˈbaʊt /
- adverb
- To be ready to; going to
- Nearly; approximately; roughly
- Near; next to; close to
- In every direction; in the area of
- preposition
- Concerning or of (a topic)
least
US / li:st /
•UK / list /
- adverb
- In the smallest or lowest way
- noun
- Something that is of the lowest or smallest degree
get
US / ɡet /
•UK / ɡɛt /
- verb
- To become affected by illness or disease
- To begin to feel or understand an emotion or idea
- To send or bring someone or something home, etc.
- To go somewhere to obtain something
- To (cause to) do a particular thing
- To obtain, receive or be given something
- To currently have
- To prepare for use
- To understand something being said or read
what
US / wɒt /
•UK / hwɑt, hwʌt, wɔt, wʌt,hwət, wət /
- pronoun
- Thing or things that; the same kind as
- Used to emphasize something you are about to say
- adjecitve
- Used to refer to a particular amount, or number
- Used to place emphasis on a particular quality
- adverb
- To a certain degree
- determiner
- Question words used for asking for information
- exclamation
- Used to express excitement, shock, or surprise
- Used to ask people to repeat something they said