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# WolframAlpha Examples part 2

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### Transcript

• 1. The examples here show you how to use WolframAlpha for checking your work and exploring other examples.<br />For some topics other calculators and applets are also suggested to help you further.<br />Examples Part 2<br />
• 2. Algebra – equations – unknown both sides<br />Choose ‘show steps’<br />See this post for further online equations resources<br />
• 3. Inequalities<br />
• 4. Inequalities<br />See these resources for graphing inequalities<br />
• 5. Change the subject of a formula<br />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!<br />This does provide a very useful check though. <br />
• 6. Change the subject of a formula – example 2<br />
• 7. Change the subject of a formula – example 3<br />
• 8. Substitution<br />
• 9. Substitution – example 2<br />
• 10. Graphs<br />note, values for x specified<br />See this post for online graphing tools.<br />
• 11. Simultaneous equations<br />
• 12. Factorisation<br />
• 13. Factorisation<br />
• 14. Polygons<br />
• 15. Circles<br />
• 16. Standard Form<br />
• 17. Units - conversion<br />
• 18. Units - conversion<br />