Math

QuestionDetermine the general equation of the ellipse: x29+y225=1\frac{x^{2}}{9}+\frac{y^{2}}{25}=1.

Studdy Solution

STEP 1

Assumptions1. The given equation is of an ellipse. The general equation of an ellipse is xa+yb=1\frac{x^{}}{a^{}}+\frac{y^{}}{b^{}}=1, where aa is the length of the semi-major axis and bb is the length of the semi-minor axis.

STEP 2

In the given equation, x29+y225=1\frac{x^{2}}{9}+\frac{y^{2}}{25}=1, we can see that a2=25a^{2}=25 and b2=9b^{2}=9.

STEP 3

To find the lengths of the semi-major axis and the semi-minor axis, we take the square root of a2a^{2} and b2b^{2} respectively.
For aa, we havea=25a = \sqrt{25}

STEP 4

Calculate the value of aa.
a=25=a = \sqrt{25} =

STEP 5

For bb, we haveb=9b = \sqrt{9}

STEP 6

Calculate the value of bb.
b=9=3b = \sqrt{9} =3

STEP 7

Now that we have the values of aa and bb, we can write the general equation of the ellipse asx2a2+y2b2=1\frac{x^{2}}{a^{2}}+\frac{y^{2}}{b^{2}}=1

STEP 8

Substitute the values of aa and bb into the equation.
x252+y232=1\frac{x^{2}}{5^{2}}+\frac{y^{2}}{3^{2}}=1

STEP 9

implify the equation.
x225+y29=\frac{x^{2}}{25}+\frac{y^{2}}{9}=This is the general equation of the ellipse.

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