Question

Coachella Valley of California the elevation is 215 feet below sea level.

Clara wrote this elevation as -215 feet.
Is Clara's response reasonable? Explain the given elevation with respect to its relationship to 0.

Answer 1

Yes. Her answer is reasonable.

Explanation:

Since sea level is at an elevation of 0 feet, we can express Coachella Valley as being -215 feet because it is 215 feet bellow sea level. If it were to be able sea level then it would be positive.