Absolute Value, and Comparing Rational Numbers

Front

What is absolute value?

Back

The distance a number is from zero on a number line, always expressed as a positive number.

Front

How do you compare |9| and |-9|?

Back

|9| = |-9| because both are equal to 9.

Front

What is the absolute value of -10?

Back

|-10| = 10.

Front

What is the absolute value of 7?

Back

|7| = 7.

Front

How do you compare -32 and 15?

Back

-32 < 15.

Front

What does it mean when two numbers are equal in absolute value?

Back

It means they are the same distance from zero on the number line.

Front

Why is absolute value always positive?

Back

Because it measures distance, and distance is always a positive quantity.

Front

How do you compare |-10| and |-7|?

Back

|-10| > |-7| because 10 > 7.

Front

What is the absolute value of 0?

Back

|0| = 0.

Front

If |x| = 5, what are the possible values of x?

Back

x can be 5 or -5.