Chapter 9 Quadratic Relations and Conic Sections - 9.5 Graph and Write Equations of Hyperbolas - 9.5 Exercises - Problem Solving - Page 647: 42c

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From part a, we found: $$y^2-x^2=\frac{600}{\pi}$$ Grapth the equation. The portion of the graph that makes sense in this situation is the part of the hyperbola in the 1st quadrant where $x$ and $y$ are positive.