# Chapter 1, Equations and Graphs - Section 1.3 - Lines - 1.3 Exercises - Page 112: 1

$y$; $x$; $2$

#### Work Step by Step

RECALL: The slope $m$ of a line passing through the points $(x_1, y_1)$ and $(x_2, y_2)$ is equal to: $m=\dfrac{y_2-y_1}{x_2-x_1}$ The slope of the line that passes through the points $(0, 1)$ and $(2, 5)$ is: $m=\dfrac{5-1}{2-0} \\m=\dfrac{4}{2} \\m=2$ Thus, the missing expressions in the given statements are: $y$; $x$; $2$

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