Question

Kayla held a pole in the swimming pool. The bottom of the pole was at a depth of 3 feet. How should Kayla mark the level of the bottom of the pole on the number line? Explain how you determined this.

Answer 1

Think of the previous problem.
Think of a vertical number line.
The ground is zero on the number line.
Below the ground it is negative.
Above the ground it is positive.
If the bottom of the pole is at a depth of 3 ft, that means it is at 3 ft below ground level.
What number represents 3 ft below ground level?

Answer 2

@nikato

Answer 3

lets call the surface of swimming ppol 0.
what would 3 ft under be?