WolframAlpha Examples part 2

Post on 06-May-2015

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Transcript of WolframAlpha Examples part 2

The examples here show you how to use WolframAlpha for checking your work and exploring other examples.

For some topics other calculators and applets are also suggested to help you further.

Examples Part 2

Algebra – equations – unknown both sides

Choose ‘show steps’

See this post for further online equations resources

Inequalities

Inequalities

See these resources for graphing inequalities

Change the subject of a formula

Note that sometimes showing the steps can cause confusion, here all that is required for example is to subtract c from both sides – then write the result the other way round!This does provide a very useful check though.

Change the subject of a formula – example 2

Change the subject of a formula – example 3

Substitution

Substitution – example 2

Graphs

note, values for x specified

See this post for online graphing tools.

Simultaneous equations

Factorisation

Factorisation

Polygons

Circles

Standard Form

Units - conversion

Units - conversion