SOLUTION: How would you write an equation in standard form for an ellipse with foci(5,0)and (-5,0) and y- intercepts of 7 and -7?

Question 89696: How would you write an equation in standard form for an ellipse with foci(5,0)and (-5,0) and y- intercepts of 7 and -7?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
this ellipse is centered at the origin with the foci on the y-axis so the equation will be of the form

a is the semi-major axis, in this case a=7 ... c is the distance from center to focus, c=5

b^2=a^2-c^2 ... b^2=49-25 ... b^2=24

so the equation is
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