- #1
msn009
- 53
- 6
Hi, i get the math that is involved but if I have only the x,y coordinates for 2 points to connect and if i want to know what will be the perpendicular line to the line connecting these two points, how can I do that?
That's the slope-intercept form of the equation for a line: y = mx + b, where m is slope and b is the y-intercept. (Look it up!)when i mentioned that i understand the math, the examples given usually has numbers in it like y = 3x+2
Start by finding the slope.but in my case i only have the x and y values, so which formula should i actually use?
Hi, i get the math that is involved but if I have only the x,y coordinates for 2 points to connect and if i want to know what will be the perpendicular line to the line connecting these two points, how can I do that?
If you have the equation of a line it is pretty simple to find a couple of points on that line.yes there will be many possible lines.
when i mentioned that i understand the math, the examples given usually has numbers in it like y = 3x+2 but in my case i only have the x and y values, so which formula should i actually use? thanks.
Use the definition of slope, which was given in an earlier post. Or just look it up! https://en.wikipedia.org/wiki/Slopeand so now i need to find the slope of this line
As explained above, given two points you can find the equation of the line that connects them. But there is an infinite number of lines perpendicular to that one. Do you want that perpendicular line to intersect the first line at some particular point? Up to you!i get this part and i have compute the slope of the line from point A to B. what I don't understand now is the intercept value y=mx + b. I can compute the b value since I now have x, y and m values but should I use this same b value to compute the perpendicular line?