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What are some negative numbers you use in the real world?

1) Temperature below zero degrees is denoted by a negative number. 2) In business, profit is shown as positive and loss as negative


How are negative integers used in the real world?

Whenever you have two opposites, you can use positive number for one, and negative numbers for the other. For example: * Having money might be positive, owing money might be negative (owing money is worse than just having nothing). * Getting money might be a positive change; spending money (or otherwise losing it), a negative change. * Places above sea level might be assigned a positive altitude; places below sea level, a negative altitude. * If latitudes north of the equator are defined as positive, then latitudes south of the equator would be negative. Or the other way round.


When a solution set to a real world problem involving polynomials contains both positive and negative solutions why are the negative solutions often discarded?

The negative solutions are often discard because they have no real meaning in the real world, for example, you can not have -6 apples, it just doesn't make sense.


Where can positive and negative numbers be found in the real world?

The temperature of a room or country. e.g. In Canada it is -3 or in London it is 3 C


When a solution set to a real-world problem involving polynomials contains both positive and negative solutions why are the negative solutions often discarded?

Because in real world problems, you cannot have answers such as "-3 people", "-4.56 minutes", "a shoe size of -9" etc... It is not logical.

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