5.2 More Floats & Anchors Practice

Front

What is a float in the context of a submarine's position?

Back

A float represents an upward force that increases the submarine's depth when added.

Front

What is an anchor in the context of a submarine's position?

Back

An anchor represents a downward force that decreases the submarine's depth when added.

Front

How do you represent removing a float mathematically?

Back

Removing a float is represented by subtracting a positive number from the starting position.

Front

How do you represent adding an anchor mathematically?

Back

Adding an anchor is represented by subtracting a negative number from the starting position.

Front

What does the expression 4 - 5 represent in terms of submarine depth?

Back

It represents starting at a depth of 4 and removing 5 floats, resulting in a depth of -1.

Front

What does the expression 9 + (-7) represent in terms of submarine depth?

Back

It represents starting at a depth of 9 and adding 7 anchors, resulting in a depth of 2.

Front

What does the expression -2 + 4 represent in terms of submarine depth?

Back

It represents starting at a depth of -2 and adding 4 floats, resulting in a depth of 2.

Front

What is the result of the expression 4 - 5?

Back

The result is -1.

Front

What is the result of the expression 9 + (-7)?

Back

The result is 2.

Front

What is the result of the expression -2 + 4?

Back

The result is 2.