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waheguru

  • one year ago

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

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

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

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

  4. waheguru
    • one year ago
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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

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

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

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

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

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

  10. waheguru
    • one year ago
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    Thanls for your help

  11. Mertsj
    • one year ago
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    yw

  12. hedyeh99
    • one year ago
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    Your welcome :)

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