Absolute Value of Rational Numbers


 
 
Concept Explanation
 

Absolute Value of Rational Numbers

Absolute value of Rational Numbers:

Rational numbers are the numbers that can be written as the fraction of two integers and absolute value is the distance a number is away from 0. If we look at a number line, the absolute value is the distance any number on the number line is away from 0. Distance is always positive, so our absolute value is always 0.

Question : 

The table shows the average low temperatures in January in one location during a five-year span. Find the absolute value of the average January low temperature in 2009.

Solution :

Step 1 :

Graph the 2009 average January low temperature.

The 2009 average January low is -5.4 °C.

Graph a point 5.4 units below 0.

Step 2 : 

Find the absolute value of -5.4.

-5.4 is 5.4 units from 0.

Therefore, 

|-5.4|  =  5.4

Sample Questions
(More Questions for each concept available in Login)
Question : 1

If  x  =    large frac{2+3X2}{-5}    then   - x    is equal to _____

Right Option : A
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Explanation
Question : 2

Compare the absolute value of rational numbers -11/7 and 2/3

Right Option : C
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Explanation
 
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