Find the Vertex Form (x^2)/9+(y^2)/25=1
Problem
Solution
Identify the type of conic section. The equation is in the standard form of a vertical ellipse centered at the origin
(0,0) because the denominator undery^2 is larger than the denominator underx^2 Determine the values of
a^2 andb^2 In a vertical ellipse, the standard form is((x−h)^2)/(b^2)+((y−k)^2)/(a^2)=1 wherea>b Extract the parameters. We have
h=0 k=0 a^2=25 andb^2=9 Calculate the semi-major axis
a and semi-minor axisb Taking the square roots givesa=5 andb=3 Locate the vertices. For a vertical ellipse, the vertices are located at
(h,k±a) Substituting the values gives(0,0±5) Locate the co-vertices. The co-vertices are located at
(h±b,k) Substituting the values gives(0±3,0)
Final Answer
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