Answer
The line $x=-1.8$ is vertical
Work Step by Step
Any equation where x is equal to a constant it is a vertical line, because there is a constant x value.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 5 - Linear Functions - 5-5 Standard Form - Practice and Problem-Solving Exercises - Page 324: 26
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