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**mom****Member**- Registered: 2012-04-25
- Posts: 94

This question has thrown me off as I realize that lines intersect at only one point.

If two lines intersect in more than one point, then they are which of the following?

Unique

Inconsistent

Parallel

The same

None of these

My thought is none of these but wanted other opinions

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 83,138

Hi;

They are the same.

**In mathematics, you don't understand things. You just get used to them.I have the result, but I do not yet know how to get it.All physicists, and a good many quite respectable mathematicians are contemptuous about proof.**

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**mom****Member**- Registered: 2012-04-25
- Posts: 94

I guess that makes sense but if it is the same line, it is not intersecting with itself is it? This is where I am confused...

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 83,138

The intersection of the set of all the points of a line with itself is the line. But that is not a choice.

**In mathematics, you don't understand things. You just get used to them.I have the result, but I do not yet know how to get it.All physicists, and a good many quite respectable mathematicians are contemptuous about proof.**

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**mom****Member**- Registered: 2012-04-25
- Posts: 94

confusing quwstion

thanks

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 83,138

Hi mom;

I like the fourth choice best. Did you check?

**In mathematics, you don't understand things. You just get used to them.I have the result, but I do not yet know how to get it.All physicists, and a good many quite respectable mathematicians are contemptuous about proof.**

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