A few days ago
Are a-b and b-a opposites?
Give me an example that proves your answer is correct
Top 3 Answers
A few days ago
Favorite Answer
Yes. If a=2 and b=3, then a-b=-1; and b-a=1.
You can do this with any two numbers and it will always work out to be opposites. I guess it could be written like this:
|a-b|=|b-a|
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A few days ago
It depends what you are asking. If they are just letters then they can’t be ‘opposites’. Letters don’t have opposites.
If it’s algebraic then a and b would have values. Let’s call a 10 and b 5.
Then a – b = 10 – 5 = 5
b – a = 5 – 10 = -5
So, I suppose, loosely you could say that 5 and -5 are opposites although in my mind they’re just numbers.
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A few days ago
They’re not opposites, they’re inverses. Opposite is a term that is never used in mathematics, if that’s what you’re trying to do.
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