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Mathematics 17 Online
OpenStudy (anonymous):

PLEASE HELP! I am SO stuck. Ellipse question with attachment below.

OpenStudy (anonymous):

@whpalmer4

OpenStudy (anonymous):

@amistre64

OpenStudy (anonymous):

@Hero

OpenStudy (imstuck):

I would love to help! But I do not see any attachment of an ellipse.

OpenStudy (anonymous):

OpenStudy (anonymous):

@IMStuck

OpenStudy (anonymous):

@IMStuck I attached the file, that was my mistake... Can you please help me solve a few problems? I'll post more after this one and give you best answer if you help me.

OpenStudy (amistre64):

the center is the same for pretty much any setup .... look at the x y parts and see how they are adjusted

OpenStudy (anonymous):

I seriously don't know how to go about any part of the problem.

OpenStudy (amistre64):

given some center point (a,b) the center of an equation will tend to be written in as: (x-a) and (y-b)

OpenStudy (anonymous):

I'm sorry, I just don't understand.

OpenStudy (imstuck):

The center for an ellipse is found just like you would find the center of a circle. The forula is (x-h)^2 + (y-k)^2, where h and k are the centers. So you are given (x + 3)^2; filling in the +3 to the formula (x-h)^2, you get (x-(-3)) [x minus a negative gives a positive, right, which is what your equation is telling you? The center is (x + 3)^2.] The x coordinate of the center is -3. Do the same with y. (y - 2)^2 is a y coordinate of +2. The easy way to do this is to remember that the centers have the OPPOSITE signs of what is inside the parenthesis. (X + 3)^2 has an x coordinate of -3 and (y - 2)^2 has a y coordinate of +2. So the center is located at (-3, 2). That's done. Oh, that's all you need! Gotcha! The rule of the opposite sign thing applies to all circles and ellipses! Anything else, just ask!

OpenStudy (amistre64):

x + 3 = 0, solve for x y - 2 = 0, solve for y that gets you your center ....

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