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Sunshine447

  • 3 years ago

The equation of a circle is shown below. (x + 5)2 + (y + 6)2 = 16 Martha uses the following steps to sketch a graph of the circle. 1. Draw a circle through the plot points (-1, -6), (-9, -6), (-5, -2), and (-5, -10). 2. Obtain the center (-5, -6) and radius 4. 3. Write the equation in the form (x - (-5))2 + (y – (-6)2) = 42. 4. Mark the point (-5, -6) on the coordinate axis. 5. Calculate and plot the points around the center using given radius 4. What is the correct order of steps to sketch the circle?

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  1. Sunshine447
    • 3 years ago
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    Choices: 2, 1, 3, 5, 4 1, 2, 3, 4, 5 3, 2, 4, 5, 1 4, 2, 5, 1, 3

  2. Sunshine447
    • 3 years ago
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    @cwrw238

  3. hba
    • 3 years ago
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    \[(x+a)^2+(y-b)^2=r^2\]

  4. Sunshine447
    • 3 years ago
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    The radius is 4, right?

  5. hba
    • 3 years ago
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    I agree.

  6. Sunshine447
    • 3 years ago
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    Okay, but I still don't know the steps.... :(

  7. hba
    • 3 years ago
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    (x-a)*

  8. hba
    • 3 years ago
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    @Sunshine447 Where do you think you should start ?

  9. Sunshine447
    • 3 years ago
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    either 3 or 5....?

  10. Sunshine447
    • 3 years ago
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    @hba is it 3 or 5?

  11. hba
    • 3 years ago
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    @Sunshine447 3 or 5 ?

  12. Sunshine447
    • 3 years ago
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    3 i think...

  13. Sunshine447
    • 3 years ago
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    wait....it has to be 3 cause5 isnt one of the choices.....

  14. Sunshine447
    • 3 years ago
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    so its 2? I don't understand...

  15. Sunshine447
    • 3 years ago
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    i think you'd have to write the equation right before trying to solve it....

  16. Sunshine447
    • 3 years ago
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    @hba i think its C but im positive...

  17. Sunshine447
    • 3 years ago
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    *im NOT positive....

  18. Sunshine447
    • 3 years ago
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    I think the steps in C work

  19. Sunshine447
    • 3 years ago
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    what do you mean?

  20. Sunshine447
    • 3 years ago
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    well, you cant draw a circle without something to base it on, so A is wrong

  21. Sunshine447
    • 3 years ago
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    *B is wrong

  22. Sunshine447
    • 3 years ago
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    A is wrong cause you write the equation before drawing the circle

  23. Sunshine447
    • 3 years ago
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    D is wrong for the same reason A is

  24. Sunshine447
    • 3 years ago
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    okay.....

  25. Sunshine447
    • 3 years ago
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    how do you find the center?

  26. Sunshine447
    • 3 years ago
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    yes, you can but 1 shouuld be last.. its connecting the dots

  27. Sunshine447
    • 3 years ago
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    true, but the equation should be already written... shouldn't it...?

  28. Sunshine447
    • 3 years ago
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    @nincompoop so is it a or c?

  29. Sunshine447
    • 3 years ago
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    that doesn't answer my question...... Is the answer A or C? No, I don't... Or are you implying BOTH.....

  30. Sunshine447
    • 3 years ago
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    not even close....... geometry........

  31. Sunshine447
    • 3 years ago
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    high school

  32. Sunshine447
    • 3 years ago
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    no, just geo

  33. Sunshine447
    • 3 years ago
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    so A or C... I still don't get it........

  34. Sunshine447
    • 3 years ago
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    okay thanks!

  35. Sunshine447
    • 3 years ago
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    @nincompoop i got another problem if you're willing to help....

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