The Purplemath Forums

Why is the line x=4 a vertical line. I know that when I plot it t is but why?

1. You are planning to spend no less than $6,000 and no more than $10,000 on your landscaping project. a. Write an inequality that demonstrates how much money you will are willing to spend on the project. b. For the first phase of the project, imagine you want to cover the backyard with decorative r...

Thanks