What is 9x^2+8y^2=72 ?

The solution to 9x^2+8y^2=72 is Ellipse with (h,k)=(0,0),a=2sqrt(2),b=3

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9x^2+8y^2=72

9 x^{2} + 8 y^{2} = 72

(h, k) = (0, 0), a = 22, b = 3

Solution steps

9 x^{2} + 8 y^{2} = 72

Rewrite

9 x^{2} + 8 y^{2} = 72

in the form of the standard ellipse equation

\frac{( x - 0 ) ^{2}}{( 2 2 ) ^{2}} + \frac{( y - 0 ) ^{2}}{3 ^{2}} = 1

Therefore ellipse properties are:

(h, k) = (0, 0), a = 22, b = 3

b > a

therefore

b

is semi-major axis and

a

is semi-minor axis

Ellipse with center (h, k) = (0, 0), b = 3, a = 22

What is 9x^2+8y^2=72 ?
The solution to 9x^2+8y^2=72 is Ellipse with (h,k)=(0,0),a=2sqrt(2),b=3