Chapter 9 Quadratic Relations and Conic Sections - 9.4 Graph and Write Equations of Ellipses - 9.4 Exercises - Mixed Review - Page 639: 58

4.5

Work Step by Step

Finding the inverse constant, we find: $$k=xy=(3)(-6)=-18$$ When $x=-4$: $$y=\frac{-18}{-4}=4.5$$

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