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Example 7 from Precalculus, 2.2 Graphs of Linear Functions
Writing the Equation of a Vertical Line
Write the equation of the line graphed in Figure 16.
Figure
16
Work it out on paper first. Then open the solution one step at a time, and stop as soon as you can finish on your own.
Solution
The constant x-value is so the equation is
How did it go?