Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 9 Quadratic Relations and Conic Sections - 9.1 Apply the Distance and Midpoint Formulas - 9.1 Exercises - Skill Practice - Page 617: 12



Work Step by Step

Using the distance formula, we find: $$\sqrt{\left(18-11\right)^2+\left(12-\left(-12\right)\right)^2}\\ 25$$ Using the midpoint formula, we find: $$\left(\frac{18+11}{2},\:\frac{12-12}{2}\right)\\ \left(\frac{29}{2},\:0\right)$$
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