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**Toast****Real Member**- Registered: 2006-10-08
- Posts: 1,321

I know that if you have an equation...

a + b = c

...a, b, and c are terms.

However, if you have the equation...

a × b = c

...would you still be able to call a, b, and c terms? Would the product of a and b mean that they are the **same** term?

Also, are variables ANY pronumerals representing unknown values or are they only pronumerals which constantly change.

i.e. For y=mx+c, are all variables?

i.e. For a+b=c, where Each Letter Has 1 Possible Value, are any or all variables?

Thanks.

*Last edited by Toast (2007-03-10 00:28:08)*

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**MathsIsFun****Administrator**- Registered: 2005-01-21
- Posts: 7,710

I would say that a × b (or "ab") is a single term: Algebra - Definitions

"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman

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**Toast****Real Member**- Registered: 2006-10-08
- Posts: 1,321

Oh, so would the following passage be correct?

"Or more generally, as the multiplied term did not change, the term it was multiplied by must equal 1."

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**mathsyperson****Moderator**- Registered: 2005-06-22
- Posts: 4,900

For y = mx+c, x and y are variables and m and c are constants. If you want to get really technical, then x is an independent variable and y is a dependant one (because you change x but y only changes depending on what x is).

If a, b and c can only take one value each then they are all constants. Unknown constants perhaps, but constants nonetheless.

I think your sentence makes sense, but I'm not sure because I don't know what context it's in. Also, if you're constructing some kind of proof then you'd better watch out for when the multiplied term was equal to 0, because then your statement isn't necessarily true.

Why did the vector cross the road?

It wanted to be normal.

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**Sekky****Member**- Registered: 2007-01-12
- Posts: 181

If you think about it

So they can't all be terms, or you've got a pretty dire definition going on there.

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**Toast****Real Member**- Registered: 2006-10-08
- Posts: 1,321

Ok thanks all, what I was trying to explain was, that as F*D=F, F=/=0, then D = 1

"Or more generally, as the multiplied number doesn't equal zero and did not change, the number it was multiplied by must equal 1."

Or perhaps I should simply stick to using F and D instead of 'number' or 'term'

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**lightning****Real Member**- Registered: 2007-02-26
- Posts: 2,060

oh i was getting dazed

Zappzter - New IM app! Unsure of which room to join? "ZNU" is made to help new users. c:

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