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Beliebt Geometry >

9x^2+4y^2-90x+32y+145=0

Lösung

9 x^{2} + 4 y^{2} - 90 x + 32 y + 145 = 0

Lösung

(h, k) = (5, - 4), a = 4, b = 6

Schritte zur Lösung

9 x^{2} + 4 y^{2} - 90 x + 32 y + 145 = 0

Rewrite

9 x^{2} + 4 y^{2} - 90 x + 32 y + 145 = 0

in the form of the standard ellipse equation

\frac{( x - 5 ) ^{2}}{4 ^{2}} + \frac{( y - ( - 4 ) ) ^{2}}{6 ^{2}} = 1

Therefore ellipse properties are:

(h, k) = (5, - 4), a = 4, b = 6

b > a

therefore

b

is semi-major axis and

a

is semi-minor axis

Ellipse with center (h, k) = (5, - 4), b = 6, a = 4

Graph

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