Absolute Value Functions

Front

What is an absolute value function?

Back

An absolute value function is a function that returns the distance of a number from zero on the number line, regardless of direction. It is denoted as f(x) = |x|.

Front

How is absolute error calculated?

Back

Front

What does the absolute value of a number represent?

Back

The absolute value of a number represents its distance from zero on the number line, always expressed as a non-negative value.

Front

Why is absolute value always positive?

Back

Absolute value is always positive because it measures distance, and distance cannot be negative.

Front

If a friend's guess is 15 and the actual number is 14, what is the absolute error?

Back

Front

What is the absolute value of -7?

Back

The absolute value of -7 is 7, denoted as |-7| = 7.

Front

In the context of a guessing game, what does 'closest to the target number' mean?

Back

It means the guess that has the smallest absolute error compared to the actual number.

Front

If the actual number is 10 and a guess is 12, what is the absolute error?

Back

Front

What is the absolute value of 0?

Back

The absolute value of 0 is 0, denoted as |0| = 0.

Front

How do you express the absolute value of a variable x?

Back

The absolute value of a variable x is expressed as |x|.