Posted by **Synester** on Friday, November 2, 2007 at 12:25am.

Give the slope of a line perpendicular to the given line. (how do you do it) y=3x+5

- Algebra 1 -
**student acc**, Friday, November 2, 2007 at 12:45am
I believe it is -1/3 for the slope. Because i searched for an example and this is what it gave me.

Because the slope need to be reciprocal of each other. So for instance the equation of the line perpendicular to the line whose equation is 2y-4x = 7 the slope of this line is 2. therefore the reciprocal is -1/2 or -0.05

For your problem to check plot the points to your equation then use the point intercept form which is:

y - y1 = m(x -x 1)

then get a point on your line and use the (x,y) plug it in using your new slope and you will end up with a second equation that shows your slope. And you will see from the diagram that they are perpendicualr. I hope this helps you. You can also practice more going to the search engine and typing in parallel and perpendicular lines and see all examples.

## Answer This Question

## Related Questions

- algebra - Find the slope of any line perpendicular to the line through points (0...
- Geometry - How do I write an equation of a line perpendicular to the graph of -...
- Math - 1) What is the slope of a line that is parallel to y = 2? 2) What is the...
- algebra - I am looking for a perpendicular line. I'd appreciate ir if you could ...
- Pre-Algebra - Please let me know if I figured these out correctly. Directions: ...
- Algebra - May you please help me understand how to do this? Thanks Give the ...
- math - Give the slope and y-intercept of the given line. 1.2x-3y=6 2. y=-2x 3. y...
- math - graph the line with slope 1/2 passing through the point(-5,-2) find the ...
- college algebra - A line has the equation y = 5x + 4.(a) This line has slope of ...
- algebra 3 - what is the equation of the line with {3,3} and is perpendicular to ...

More Related Questions