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Graph the points for Line AB and Line CD
A(8, 4), B(4, 3), C(4, 9), D(2, 1)
Is the measure perpendicular, parallel, or neither?
My answer is perpendicular according to the slope formula but when you graph it, it's different. There's no intersection. Help please?
 one year ago
 one year ago
Graph the points for Line AB and Line CD A(8, 4), B(4, 3), C(4, 9), D(2, 1) Is the measure perpendicular, parallel, or neither? My answer is perpendicular according to the slope formula but when you graph it, it's different. There's no intersection. Help please?
 one year ago
 one year ago

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TributizedBest ResponseYou've already chosen the best response.0
http://upload.wikimedia.org/math/9/d/9/9d9e1aa5fab25d8dd659c0fb6e83234b.png That's the slope formula
 one year ago

countonme123Best ResponseYou've already chosen the best response.2
make intersecting lines on a graph
 one year ago

TributizedBest ResponseYou've already chosen the best response.0
you mean i should draw it?
 one year ago

countonme123Best ResponseYou've already chosen the best response.2
yes you have to draw it and then mark the spots. that is the only way we can tell what the lines look like.
 one year ago

TributizedBest ResponseYou've already chosen the best response.0
dw:1349305969471:dw This is how the graph looks like, but perpendicular lines have intersection points, this one doesn't. And according to how I solved it (twice) with the slope formula, it's a perpendicular line. But in the graph it shows like this.
 one year ago

Geometry_HaterBest ResponseYou've already chosen the best response.1
If the lines look like that then they would intersect perpendicularly. So i think you are right.
 one year ago

TributizedBest ResponseYou've already chosen the best response.0
Wait, so you're saying they WILL intersect?
 one year ago

Geometry_HaterBest ResponseYou've already chosen the best response.1
They're lines right? So they would go on forever.....Eventually intersecting at some point unless of course they are parallel.
 one year ago

TributizedBest ResponseYou've already chosen the best response.0
OH LOL I NEVER THOUGHT OF THAT '' Thanks! XD
 one year ago
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