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Sagot :
[tex]4x^2+9y^2=36\\
\\
\frac{4x^2}{36}+\frac{9y^2}{36}=\frac{36}{36}\\
\\
\boxed{\frac{x^2}{9}+\frac{y^2}{4}=1}[/tex]
This is a equation of a ellipse (0,0) centered
Domais: {x∈R/-3≤x≤3}
Range:{y∈R/-2≤y≤2}
This is a equation of a ellipse (0,0) centered
Domais: {x∈R/-3≤x≤3}
Range:{y∈R/-2≤y≤2}
Answer:
Ellipse
Domain:[-3,3]
Range:[-2,2]
Step-by-step explanation:
We are given that an equation
[tex]4x^2+9y^2=36[/tex]
We have to find the type of conic section and find the domain and range of conic section.
Divide by 36 on both sides then, we get
[tex]\frac{x^2}{9}+\frac{y^2}{4}=1[/tex]
[tex]\frac{x^2}{3^2}+\frac{y^2}{2^2}=1[/tex]
It is an equation of ellipse.
Substitute y=0 then , we get
[tex]\frac{x^2}{9}=1[/tex]
[tex]x^2=9[/tex]
[tex]x=\pm 3[/tex]
Domain :[-3,3]
Substitute x=0 then we get
[tex]\frac{y^2}{4}=1[/tex]
[tex]y^2=4[/tex]
[tex]y=\pm 2[/tex]
Range=[-2,2]
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