Absolute Value

Front

What is absolute value?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction. It is always a non-negative value.

Front

What is the absolute value of -5?

Back

5

Front

Is the absolute value of a number ever negative?

Back

No, the absolute value is always non-negative.

Front

What is the absolute value of 0?

Back

0

Front

How do you denote absolute value?

Back

Absolute value is denoted by two vertical bars, for example, |x|.

Front

What is the relationship between a number and its absolute value?

Back

A number and its absolute value are equal if the number is non-negative; if the number is negative, the absolute value is the positive counterpart.

Front

What is the absolute value of | -10 |?

Back

10

Front

If |x| = 7, what are the possible values of x?

Back

x can be 7 or -7.

Front

What does it mean if |x| < a, where a is a positive number?

Back

It means that x is within a distance of a from zero, or -a < x < a.

Front

What does it mean if |x| > a, where a is a positive number?

Back

It means that x is either less than -a or greater than a, or x < -a or x > a.