Posted by **Peggy** on Thursday, February 22, 2007 at 7:21pm.

Are the following lines parallel, perpindicular, or neither?

(a)x-2y=4

(b)2x+y=2

(a)-2y=-x-4

-y=-x/2-2

(b)y=-2x+2

I have that they are perpindicular. My question is this:

is -x/2 the reciprocal of 2x?

yes

Thank You

## Answer this Question

## Related Questions

- algebra or math - find the two equations of lines that are parallel and ...
- CALCULUS - a. for y= sinx y=0 and x=pie/2 if each cross section is an ...
- Plz Check My Geometry - Out of 30 questions these few I struggled with. I put ...
- Plz Check My Geometry - Out of 30 questions these few I struggled with. I put ...
- Plz Check my Geometry(sOo0n) - 1.) Given points A(-4, 5), B(2, 3), C(0, 4) and D...
- algebra - ok im tring to find the slope intercept form of a perpindicular line ...
- Algebra one help, please. - Determine which lines, if any, are parrell or ...
- geometry - Martin drew a pair of perpendicular lines and a pair of parallel ...
- Algebra 1 - 1. Which line is the flattest (or is less steep)? Why? y = 5x -6 y...
- algebra - are the following lines parallel, perpendicular or neither 4x+5y=7 5x+...