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Homework Help: Algebra 2

  1. Apr 4, 2004 #1
    Problem 1.
    Consider the equation y=a(x-r_1)(x+r_2)
    Write the equation of the axis of symmetry.
     
  2. jcsd
  3. Apr 5, 2004 #2
    That is just a simple parabola:
    [tex]y = ax^2 - ax(r_1 - r_2) - ar_1r_2[/tex]
    Where is the 'vertex' of this parabola? What is its X coordinate?
     
  4. Apr 5, 2004 #3
    How do you get the axis of symmetry..vertex..etc...

    How would you get the axis of symmetry: x=-b/2a from b=-ax(r_1-r_2) and a= 1 or just a???
     
  5. Apr 5, 2004 #4
    How do you get the axis of symmetry..vertex..etc...

    How would you get the axis of symmetry: x=-b/2a from b=-ax(r_1-r_2) and a= 1 or just a???
     
  6. Apr 5, 2004 #5
    How do you get the axis of symmetry..vertex..etc...

    How would you get the axis of symmetry: x=-b/2a from b=-ax(r_1-r_2) and a= 1 or just a???
     
  7. Apr 5, 2004 #6
    How do you get the axis of symmetry..vertex..etc...

    How would you get the axis of symmetry: x=-b/2a from b=-ax(r_1-r_2) and a= 1 or just a???
     
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