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| 30 Nov 2012 03:14 PM |
Lets say we have two coordinates: (x1,y1),(x2,y2) Does x2's value have to be larger than x1's? If so, does it's ABSOLUTE value have to be larger or RELATIVE value be larger?
I need to know this for a midway point formula. |
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DoubleA7
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| Joined: 08 Jul 2009 |
| Total Posts: 2873 |
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| 30 Nov 2012 03:18 PM |
It's like we are learning algebra! xD y2-y1/x2-x1 = rise/run
~ṡсɾïρτïṉģ hεlρεɾṡ ۩ lυαlεαɾṉεɾṡ ④ øƒвќṃṿј~ ღ ▂▃▅▆█ρεώḋïερïε☄сυτïερïε█▆▅▃▂ღ |
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| 30 Nov 2012 03:18 PM |
| After I look at the formula I see that the commutative property of addition allows you to switch around x1 and x2. |
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lolb3
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| Joined: 16 Jan 2010 |
| Total Posts: 2268 |
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| 30 Nov 2012 03:52 PM |
Aye, go back to your 6th grade notes and look at your addition properties.
◄dis ish supposed 2 be a siggy► |
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| 30 Nov 2012 04:02 PM |
| it doesnt matter which is bigger |
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| 30 Nov 2012 04:04 PM |
Yes, commutative property works:
(y2-y1)/(x2-x1) = (-y1+y2)/(-x1+x2) |
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