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Comm.Dan Group Title

This is a clarification question Am I doing this right so far? This is Graphing Quadratic Functions First, you find the Axis Symmetry by using x=-b over 2a Second, you put the x back into the original equation Third, put the x and y together to make the vertex Fourth, the C is the y-intercept, and then rewrite the y-intercept as 0 (zero), then the y-intercept Then, graph the axis of symmetry, vertex, y-intercept, and the two other points

  • one year ago
  • one year ago

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  1. Comm.Dan Group Title
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    Here is an example of a problem \[y =x ^{2}-2\]

    • one year ago
  2. Comm.Dan Group Title
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    then after the x squared minus 2 there is minus 3

    • one year ago
  3. Comm.Dan Group Title
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    @seiga

    • one year ago
  4. e.cociuba Group Title
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    http://www.mathplanet.com/education/algebra-2/quadratic-functions-and-inequalities/how-to-graph-quadratic-functions This will definatly help u!

    • one year ago
  5. Comm.Dan Group Title
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    Ok then. I will teach you how I was taught to do it. @seiga

    • one year ago
  6. Comm.Dan Group Title
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    I am upload the pages right now @Pologirl19

    • one year ago
  7. Comm.Dan Group Title
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    Thanks again for trying to help me @e.cociuba

    • one year ago
  8. Comm.Dan Group Title
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    y=-4x squared +12x-5

    • one year ago
  9. Comm.Dan Group Title
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    @Pologirl19

    • one year ago
  10. Comm.Dan Group Title
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    \[x =\frac{ -12}{ 2 (-4) } = \frac{ -12 }{ -8}=\frac{ 3 }{ 2 }=1.5 \]

    • one year ago
  11. Comm.Dan Group Title
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    \[y =-4(1.5^{2})+12(1.5)-5=-4(2.25)+18-5=-10+18-5=8-5=3\]

    • one year ago
  12. Comm.Dan Group Title
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    2 minutes ago I did the first step A few moments ago I did the second step

    • one year ago
  13. Comm.Dan Group Title
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    \[(1.5,3) Vertex y-intercept Rewrite y-intercept as (0,-5)\]

    • one year ago
  14. Comm.Dan Group Title
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    \[Axis of Symmetry is 1.5\]

    • one year ago
  15. Comm.Dan Group Title
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    I will do the graph now

    • one year ago
  16. Pologirl19 Group Title
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    The 5th one where you plugging it in you said it was -10+18-5. It is -9+18-5. So then it would equal 4. not 3

    • one year ago
  17. Comm.Dan Group Title
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    -4*2.25=10.00 is what I got

    • one year ago
  18. Comm.Dan Group Title
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    My bad @Pologirl19

    • one year ago
  19. Comm.Dan Group Title
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    Thank you

    • one year ago
  20. Pologirl19 Group Title
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    K well everything I see is good so you are good

    • one year ago
  21. Comm.Dan Group Title
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    Thank you. @Pologirl19 Do you have any questions?

    • one year ago
  22. Pologirl19 Group Title
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    No I don't it was a clear to me

    • one year ago
  23. Comm.Dan Group Title
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    Ok @Pologirl19

    • one year ago
  24. e.cociuba Group Title
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    np:)

    • one year ago
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