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Today at 12:08 PM
Mathematics

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Graph x2 + 9y2 = 25. What are the domain and range?
Someone please help me !
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Answer :

Nirina7 Nirina7

Today at 12:13 PM

the equation is equivalent to x2/25 + y2/(25/9)= 1, it is an ellipse equation
the center is C(0,0)
a=5; b= 5/3, so a>b it is a horizontal major axis type (the x-axis)
all that you do is to find all characteristics by following all required formula

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