Chapter 9 Quadratic Relations and Conic Sections - 9.1 Apply the Distance and Midpoint Formulas - 9.1 Exercises - Skill Practice - Page 617: 11

$$\left(\frac{1}{2},\:0\right)$$

Using the distance formula, we find: $$\sqrt{\left(5-\left(-4\right)\right)^2+\left(-4-4\right)^2}\\ \sqrt{145}$$ Using the midpoint formula, we find: $$\left(-4,\:4\right),\:\left(5,\:-4\right)\\ \left(\frac{1}{2},\:0\right)$$