# Chapter 1 - Section 1.4 - Linear Functions and Slope - Concept and Vocabulary Check - Page 212: 2

$\dfrac{y_2-y_1}{x_2-x_1}$

#### Work Step by Step

RECALL: The slope $m$ of a line can be found using the formula: $m=\dfrac{y_2-y_1}{x_2-x_1}$ Thus, the missing expression in the given statement is: $\dfrac{y_2-y_1}{x_2-x_1}$

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