What is (x^2)/1+(y^2)/(a-16)=1 ?

The solution to (x^2)/1+(y^2)/(a-16)=1 is Ellipse with (h,k)=(0,0),a=1,b=sqrt(a-16)

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(x^2)/1+(y^2)/(a-16)=1

\frac{x ^{2}}{1} + \frac{y ^{2}}{a - 16} = 1

(h, k) = (0, 0), a = 1, b = a - 16

Solution steps

\frac{x ^{2}}{1} + \frac{y ^{2}}{a - 16} = 1

Rewrite

\frac{x ^{2}}{1} + \frac{y ^{2}}{a - 16} = 1

in the form of the standard ellipse equation

\frac{( x - 0 ) ^{2}}{1 ^{2}} + \frac{( y - 0 ) ^{2}}{( a - 16 ) ^{2}} = 1

Therefore ellipse properties are:

(h, k) = (0, 0), a = 1, b = a - 16

a > b

therefore

a

is semi-major axis and

b

is semi-minor axis

Ellipse with center (h, k) = (0, 0), a = 1, b = a - 16

9 x^{2} + 5 y^{2} - 18 x - 40 y + 44 = 0

\frac{( x - 3 ) ^{2}}{9} + \frac{( y - 4 ) ^{2}}{16} = 1

\frac{x ^{2}}{16} + \frac{( y ) ^{2}}{4} = 1

\frac{( y + 3 ) ^{2}}{25} + \frac{( x + 4 ) ^{2}}{16} = 1

3 x^{2} + 4 y^{2} - 16 = 0

What is (x^2)/1+(y^2)/(a-16)=1 ?
The solution to (x^2)/1+(y^2)/(a-16)=1 is Ellipse with (h,k)=(0,0),a=1,b=sqrt(a-16)