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They don't have to be, but it is a well established convention.

People in the Western world read from left to right, so the number line increases from L to R.

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14y ago

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Related Questions

Are negative numbers bigger than positive numbers?

no negative numbers are always smaller than positive numbers..... you can draw out a numberline and see any number to the left of the number zero is negative and to the right is positive


How are positive and negative numbers placed on a number line?

Positive numbers go to the right of zero, negative numbers go to the left of zero.


What do you call whole numbers to the left of zero?

negative or - number


What do you call numbers that are left of zero on a number line?

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Is positive 10 greater than negative 4?

Yes, positive 10 is greater than negative 4. In the number line, positive numbers are always to the right of zero, while negative numbers are to the left. Since 10 is to the right of zero and -4 is to the left, 10 is indeed greater than -4.


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Numbers to the right of zero on a number line are positive numbers; to the left are the negative numbers.


Where all negative numbers in the number line are located?

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What side of zero do negative numbers on a number line go?

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When is the product of two negative real numbers always greater than zero?

Whenever you multiply two negative real numbers.


How would you graph -3.4 on a number line graph?

On a number line, the positive numbers extend to the right of zero, and the negative numbers extend to the left of zero. So -3.4 is 3.4 to the left of zero.


Why is the number line of a number is never negative?

A number line can have both positive and negative numbers. You can put the number line in any position, but often it is represented so that numbers to the right of zero are positive, and numbers to the left of zero, negative.


Is -4 a imaginary number?

No, both positive and negative numbers are part of the so-called "real" numbers. The so-called "imaginary" numbers are outside the number line.Imagine the real numbers as a line from left to right, and the imaginary numbers a a separate line, from top to bottom. The place where they meet is zero. Positive is to the right of zero, negative to the left, imaginary numbers like +i or +3i to the top of zero, and negative imaginary numbes like -5i to the bottom of zero.