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Part A: What does 0 represent in this situation? (3 points)

Part B: Describe the height of the slide in relation to 0 in the situation. (3 points)

Part C: 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. (4 points)

Respuesta :

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Using the concept of number line, the solution to the questions posed are :

  • Pool surface
  • The height of slide is 12 meters above the pool surface
  • The level of the bottom of the pole should be marked as -3

The pool surface would be treated as sea level surface, such that, position below are marked as negative and position above are marked as positive.

  • Therefore, the surface of the pool is marked as the sea level position, 0.

  • Since the slide is above the surface of the pool, it's value will the positive. Hence, the height of the slide is 12 feets.

  • The marked position is below the pool surface, hence, it will take up a negative value of - 3 feets.

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