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91Ó°ÊÓ

In the following exercises, find an equation of a line perpendicular to the given line and contains the given point. Write the equation in slope–intercept form.

line y = 3, point (−1, −3)

Short Answer

Expert verified

Equation of the perpendicular line to y = 3 and passing though the point (-1, -3) is x = -1.

Step by step solution

01

Step 1. Given information

We have given equation of the line is y = 3 and point is (-1, -3).

02

Step 2. Concept

The line that is perpendicular to y = c is a horizontal line, because horizontal and vertical lines are perpendicular.

03

Step 3. Explanation

Here we have given equation of the line is

y = 3 which is horizontal line.

Also we know that vertical lines and horizontal lines are perpendicular to each other.

So the vertical line passing though the point (-1, 3) is x = -1 which is perpendicular to y = 3.

04

Step 4. Conclusion

Hence, equation of the perpendicular line to y = 3 and passing though the point (-1, -3) is x = -1.

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