Chapter 9 Quadratic Relations and Conic Sections - 9.1 Apply the Distance and Midpoint Formulas - 9.1 Exercises - Skill Practice - Page 617: 4

$$\left(2,\:1\right)$$

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