Pre Algebra – Integers inequality and absolute value with examples

Pre Algebra – Integers inequality and absolute value with examples


In this video, we will learn about Integers,
Inequality and Absolute value. Let’s start with Integers. An Integer is a whole number (not fractional number) that can be positive and negative or zero. Integers can be represented as points on a number line. Positive integers are greater than zero like
1, 2, 3, 4… and so on Negative integers are less than zero like
-1, -2, -3, .. and so on Zero is neither -ve nor +ve. An inequality compares numbers or quantities when two numbers are graphed on a number line, the number to the left is always less than the number to the right. Let’s find out two inequalities involving 3 and -4. Since 3 is to the right of -4, so 3 is greater than -4. Since -4 is to the left of 3, so -4 is less than 3. The absolute value of a number is the distance the number is from zero on the number line. The absolute value of a number is always greater than or equal to zero Let’s find out the absolute value of 5. You can see that distance from zero to 5 is 1, 2, 3, 4, 5 unit. So absolute value of |5|=5 Now we have to find out the absolute value of -5. Distance from 0 to -5 is 1, 2, 3, 4, 5 unit. which means absolute value of |-5|=5

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