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Ahobart12160

  • one year ago

Does anyone know how to do Equations of a circle ?

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  1. wmj259
    • one year ago
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    Equation of a circle is basically: \[1=x ^{2}+y ^{2}\] Thats basically imagine 4 quadrants |dw:1444347080132:dw| A circle will always have alternating coordinate pairs. In one quadrant it will be positive, in the other quadrant it will be negative. Sometimes the coordinate pairs will be switch-swapped. |dw:1444347149434:dw| There will always be 2 of the same x coordinate or 2 y coordinates.

  2. ahobart12160
    • one year ago
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    If I gave you a sample question,would you be willing to show me what numbers plug in where ? I don't know why I have such trouble with this /:

  3. ahobart12160
    • one year ago
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    @wmj259

  4. wmj259
    • one year ago
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    @Ahobart12160, Yes I can help you.

  5. ahobart12160
    • one year ago
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    What is the general form of the equation for the given circle? x2 + y2 − 8x − 8y + 23 = 0 x2 + y2 − 8x − 8y + 32 = 0 x2 + y2 − 4x − 4y + 23 = 0 x2 + y2 + 4x + 4y + 9 = 0

  6. ahobart12160
    • one year ago
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    This is why I have trouble @wmj259 , I don't know where they come up with the other numbers in the equation. ^

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