# Chapter 14 Trigonometric Graphs, Identities, and Equations - 14.5 Write Trigonometric Functions and Models - 14.5 Exercises - Skill Practice - Page 944: 7

$8$

#### Work Step by Step

Since, $|a|= \dfrac{M-m}{2}$ $|a|= \dfrac{10-(-6)}{2}$ This gives: $|a|= \dfrac{10+6}{2}$ Therfore, $|a|=\dfrac{16}{2}=8$

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