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Mathematics 19 Online
OpenStudy (anonymous):

helpppp

OpenStudy (anonymous):

OpenStudy (anonymous):

@mathstudent55

OpenStudy (anonymous):

\[\frac{(x-h)^2}{a^2}+\frac{(y-k)^2}{b^2}=1\] now the center is \((h,k)\) which in your case is \((-1,-3)\) so we can start with \[\frac{(x+1)^2}{a^2}+\frac{(y+3)^2}{b^2}=1\]

OpenStudy (anonymous):

now you need \(a\) and \(b\) do you know how to find them?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

ok pretty easy in this example what is half of 6 ?

OpenStudy (anonymous):

3

OpenStudy (anonymous):

ok good, so \(a=3\) and therefore \(a^2=?\)

OpenStudy (anonymous):

9

OpenStudy (anonymous):

ok so it is \[\frac{(x+1)^2}{9}+\frac{(y+3)^2}{b^2}=1\] now you have to find \(b^2\) which you do in a similar manner

OpenStudy (anonymous):

what is half of 4?

OpenStudy (anonymous):

2

OpenStudy (anonymous):

and \(2^2=4\) so final answer is \[\frac{(x+1)^2}{9}+\frac{(y+3)^2}{4}=1\]

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