Question

Janice was at the surface of a swimming pool and recorded the following two measurements, in feet, on a number line:

−8, which represents the depth of water in the swimming pool
+12, which represents the height of the slide at the pool

Part A: What does 0 represent in this situation?

Answer 1

@pooja195

Answer 2

@jskhupmang

Answer 3

from surface to ground of swimming pool the depth is -8
that means what?

Answer 4

hint the swimmer is measuring from surface to ground of pool

Answer 5

the height?

Answer 6

let's say you trying to measure the height of a tree where do you start?

Answer 7

the stump

Answer 8

you the measuring tool, you stick it from bottom to top
and you measuring device should be starting from zero to the needed measure

Answer 9

in that case the zero is the bottom of the tree

Answer 10

now in your case the swimmer made her record from surface of the pool

Answer 11

so that means what?

Answer 12

It's the ground

Answer 13

measuring to below surface will give us negative measurement and above +

Answer 14

zero then is from the surface

Answer 15

what ground?

Answer 16

do you get it?

Answer 17

Yes thank you

Answer 18

welcome!