# Chapter 1, Equations and Graphs - Section 1.3 - Lines - 1.3 Exercises: 6

undefined; $x=2$

#### Work Step by Step

RECALL: (1) A vertical line has an undefined slope. (2) The equation of a vertical line is $x=h$. Thus, the missing expressions in the given statements (in order) are: undefined; $x=2$

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