WolframAlpha Examples part 3

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  • 1. 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 3
  • 2. Graphs – check the intercept on the y axis
  • 3. Graphs – check the intercept on the y axis
  • 4. Graphs – check the gradient (slope)
  • 5. Graphs – check the gradient (slope)
  • 6. Coordinates
  • 7. Graphs – cubic functions
  • 8. Graphs – reciprocal functions
  • 9. Graphs – power functions
  • 10. Graphs – power functions
    See this post for online graphing tools.
  • 11. Factorising Quadratic Expressions
  • 12. Completing the Square
    Note, we see that the minimum value of this function is 1 which happens when x= -3.
    You should be able to see why this is the case from the completed square form.
    See next slide also.
  • 13. Minimum value of a quadratic
  • 14. Solving Quadratic Equations
    Note that if you choose ‘Show steps’ Wolfram Alpha will show the method for completing the square, but it is perhaps easier to solve this equation by factorising or using the quadratic formula.
  • 15. Solving Simultaneous Equations
  • 16. Algebraic Fractions
  • 17. Algebraic Fractions
  • 18. Algebraic Fractions