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Maths and Graphs Vocabulary Set in IELTS Academic (Band 8-9): Full and Detailed List

The 'Maths and Graphs' vocabulary set in 'IELTS Academic (Band 8-9)' is carefully selected from standard international textbook sources, helping you master vocabulary in a short time. Comprehensive compilation of definitions, illustrative examples, and standard pronunciation...

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variance

/ˈver.i.əns/

Example:

There was a significant variance in the test results.

algorithm

/ˈæl.ɡə.rɪ.ðəm/

Example:

The search engine uses a complex algorithm to rank websites.

derivative

/dɪˈrɪv.ə.t̬ɪv/

Example:

His new song is a derivative of an old folk tune.

integral

/ˈɪn.t̬ə.ɡrəl/

Example:

The engine is an integral part of the car.

limit

/ˈlɪm.ɪt/

Example:

There's a speed limit on this road.

matrix

/ˈmeɪ.trɪks/

Example:

In linear algebra, a matrix is a fundamental concept.

calculus

/ˈkæl.kjə.ləs/

Example:

She is studying calculus in college.

catastrophe theory

/kəˈtæstrəfi ˌθiːəri/

Example:

The engineer used catastrophe theory to model the sudden collapse of the bridge.

flow chart

/ˈfloʊ tʃɑːrt/

Example:

The engineer used a flow chart to illustrate the manufacturing process.

bubble chart

/ˈbʌb.əl tʃɑːrt/

Example:

The marketing team used a bubble chart to compare market share, growth rate, and total revenue.

quartile

/ˈkwɔːr.taɪl/

Example:

The company's profits are in the top quartile of the industry.

candlestick chart

/ˈkæn.dəl.stɪk tʃɑːrt/

Example:

Traders often use a candlestick chart to identify patterns in market trends.

cross section

/ˈkrɔs ˌsek.ʃən/

Example:

The engineer examined the cross section of the pipe to check for corrosion.
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