SOLUTION: What is the center, foci and the length of the major and minor axes' of:
7x^2 + 3y^2 - 28x - 12y = -19
And also how would you graph this?
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Question 444190: What is the center, foci and the length of the major and minor axes' of:
7x^2 + 3y^2 - 28x - 12y = -19
And also how would you graph this?
Answer by poliphob3.14(115) (Show Source): You can put this solution on YOUR website!
We complete the square for x and y on the left side by adding 28+12 on both sides:
=> =>
, divide both sides by 21
, that is the equation of ellipse with center (2, 2),
major axis , minor axis ,
and foci [ => ] the points:
(2, ) and (2, ).
.
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