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waheguru

How do I graph y=x^2+2x+3 When I graph It i get a "W" shape, is that right? the values I used for x are -3, -2, -1, 0,1, 2, 3

  • one year ago
  • one year ago

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  1. Mertsj
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    That has the form of a quadratic equation so it's graph should be a parabola.

    • one year ago
  2. Mertsj
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    |dw:1364677932196:dw|

    • one year ago
  3. Mertsj
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    Does that agree with your points?

    • one year ago
  4. waheguru
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    Yea, I thooght that 1 would be 2 because for -1 it was 2 but I should always sub it in the equation Thanks

    • one year ago
  5. Mertsj
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    Can you get it now?

    • one year ago
  6. hedyeh99
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    To check to see if your graph is correct I suggest Wolfram Alpha

    • one year ago
  7. waheguru
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    Yea, but in this case, the line of symmetry is not the y axis right

    • one year ago
  8. Mertsj
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    That is true. The line of symmetry is the vertical line x = -1

    • one year ago
  9. hedyeh99
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    The line of symmetry is the imaginary line that divides the graph into two symmetrical parts

    • one year ago
  10. waheguru
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    Thanls for your help

    • one year ago
  11. Mertsj
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    yw

    • one year ago
  12. hedyeh99
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    Your welcome :)

    • one year ago
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