# Chapter 9 Quadratic Relations and Conic Sections - Cumulative Review - Page 678: 36

$$\left(-\frac{1}{2},\:\frac{21}{2}\right)$$

#### Work Step by Step

Using the distance formula, we find: $$\sqrt{\left(1-\left(-2\right)\right)^2+\left(14-7\right)^2}\\ \sqrt{58}$$ Using the midpoint formula, we find: $$\left(\frac{1-2}{2},\:\frac{14+7}{2}\right)\\ \left(-\frac{1}{2},\:\frac{21}{2}\right)$$

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