Posted by **Connie** on Sunday, January 13, 2008 at 8:26pm.

Find the distance between each pair of parallel lines

y= -3/4x-1

3x+4y=20

Please help

- Geomety -
**Anonymous**, Sunday, January 13, 2008 at 8:39pm
well, graph the lines

or find some points from them and then measure the distance through adding/ subtraction

- Geomety -
**Jake1214**, Sunday, January 13, 2008 at 8:44pm
Let me first convert them into the same y = mx + b form:

-->y = -(3/4)x - 1

-->y = -(3/4)x + 5

Okay, slopes are the same so you know they're parallel to each other. Looking at the y-intercept you know that one has a coordinate of (0,-1) and the other has a coordinate of (0,5).

Now knowing that information, you should be able to calculate the distance with the distance formula. If you still stuck, let me know.

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