Solve.x2 + y2 = 815x2 + 2y2 = 196
A. 
, 
B. 
, 
, 
, 
C. 
, 
, 
, 
D. 
, 
Answer: C
Mathematics
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A. 
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x2
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Sketch the graph of the function. Give the coordinates of the vertex.f(x) = x2 - 5
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