6A 3.1.2 PreAlg

Front

What is the absolute value of a number?

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

How do you represent a floor change in a building using positive and negative numbers?

Back

Positive numbers represent moving up floors, while negative numbers represent moving down floors.

Front

What does the expression |x| mean in terms of floor travel?

Back

The expression |x| represents the absolute value of x, indicating the number of floors traveled without considering the direction.

Front

If Jeremy travels down 5 floors and then up 5 floors, how can this be expressed numerically?

Back

This can be expressed as |-5| + |5|.

Front

What is the numeric expression for traveling up 7 floors, down 4 floors, and then up 10 floors?

Back

The numeric expression is |7| + |-4| + |10|.

Front

How do you calculate the total floors traveled when moving in different directions?

Back

You add the absolute values of the floors traveled in each direction.

Front

What does the expression |-2| + |12| represent?

Back

It represents traveling down 2 floors and then up 12 floors.

Front

What is the significance of using absolute values in floor travel problems?

Back

Using absolute values helps to focus on the total distance traveled without worrying about the direction.

Front

How can you express a scenario where someone travels down 2 floors and then up 12 floors?

Back

This can be expressed as |-2| + |12|.

Front

What is the result of the expression |5| + |5|?

Back

The result is 10, representing traveling up 5 floors and then up another 5 floors.