HSC Together Year 11 Maths Advanced: Absolute Value

• Working With Functions
• Trigonometric Functions
• Calculus
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# Absolute Value

### What is absolute value?

In this post, we define the absolute value |x| of a real number x as the distance of the number from the origin on a number line without regard to its sign, as a part of the Prelim Mathematics Advanced course under the topic Working with Functions and sub-part Further Functions and Relations. An absolute value of a number is the magnitude of the number, or how far it is from zero, for example, the absolute value of 6 and -6 is 6 .

### What is the definition of absolute value?

The following video covers the best and simplest definition of an absolute value, going in-depth about how to use the absolute value function in your calculator.

### How do I solve an absolute value equation?

This video provides a step-by-step methodical procedure on solving an absolute value problem, pointing out the outcome of more than one possible answer.

### How do I graph absolute value functions?

This video gives detailed examples of how to graph absolute value functions.

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