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Chapter 1: Q.4 (page 40)

True or FalseVertical lines have an undefined slope.

Short Answer

Expert verified

The statement "Vertical lines have an undefined slope." is true.

Step by step solution

01

Step 1. Given information.

We have:

Vertical lines have an undefined slope.

02

Step 2. Find whether the statement is true or false.

The slope of the line is given by:

m=tanθ, where θis the angle made by the given line with x-axis.

Now, a vertical line makes 90°angle with the x-axis. Therefore, we get:

m=tan90°m=∞

Hence, the statement "Vertical lines have an undefined slope." is true.

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