hey people i need help with my homework can ya help a sista out plz its geometry tho how do you find the slope of a line perpendicular to each line?
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9:53 am on July 20, 2006 | Joined: July 2006 | Days Active: 50 Join to learn more about starvoice101Maryland, United States | StraightFemale | Posts: 80 | Points: 583
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carrot cait
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It's the negative reciprochal of the slope of the first line.
If the slope of line AB, for example, is a/b, then the slope of a line perpendicular is -b/a.
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10:24 am on July 20, 2006 | Joined: April 2006 | Days Active: 393 Join to learn more about carrot caitMassachusetts, United States | StraightFemale | Posts: 2,668 | Points: 7,360
xcutioners
Enlightened One
a perpendicular slope is the opposite of the number what you have... also, if you multiply the number, it should always be -1
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2:04 pm on July 20, 2006 | Joined: July 2004 | Days Active: 759 Join to learn more about xcutionersCalifornia, United States | StraightMale | Posts: 8,270 | Points: 16,088
schneewittchen
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I think if the two lines are perpendicular the slope of the first line (m1) and the slope of the second (m2) are like this:
2:28 pm on July 20, 2006 | Joined: June 2006 | Days Active: 208 Join to learn more about schneewittchenGermany | StraightFemale | Posts: 324 | Points: 2,489
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