# What is the slope of the line parallel and perpendicular to y = -9x - 2?

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Consider the line y = -9x - 2.

What is the slope of a line perpendicular and parallel to this line?

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#### Solution Preview

Consider the line y = -9x - 2.

What is the slope of a line perpendicular to this line?

Solution. As y = -9x - 2, ...

#### Solution Summary

This solution shows how to determine the slope of perpendicular and parallel lines.

$2.49