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# When were negative numbers invented?

Updated: 9/16/2023

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14y ago

The first time somebody bought or traded something on credit, and said "I'll owe ya the rest."

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14y ago

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Q: When were negative numbers invented?
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### Why number zero is invented?

to separate the negative numbers and the positive numbers on a number line

### Who invented negative numbers?

One source says that a Chinese text (Nine Chapters in the Mathematical Arts) from around 200 BC used red rods for positive numbers and black for negative. So the "inventor" must be older than that. European texts up until the Renaissance considered negative numbers as absurd.

### What is the sign of the product of a three negative numbers?

The product. Of three negative numbers is negative I hope you can get 100 in your homework

### What type of numbers is the sum of two negative numbers?

They will be negative numbers as for example -5+(-7) = -12

### Is a negative a whole numbers?

No. Whole numbers are counting numbers and zero.

### What is the sign of product of three negative numbers?

The product of three negative numbers is negative.

### Where do you see negative numbers?

Where do we see negative numbers

### What set does a negative fraction belong to?

It belongs to the set of negative rational numbers, negative real numbers, fractionall numbers, rational numbers, real numbers.

### Are all negative numbers are rational?

No, not all negative numbers are rational. There are many negative numbers that are irrational, just like the positive numbers.

### Can rational numbers not be negative?

Rational numbers can be negative or positive.

### What do you know about negative numbers?

What do I know about negative numbers? A lot.