Question

Use absolute value to write an expression describing the size of each amount. An elevation of 250 feet.

Answer 1

The absolute value of a number is always positive.

if x > 0 , then
`|x|` = x

if x < 0 , then |-x| = x

Use the absolute value.

To find an expression for: An elevation of 250 feet.

Elevation mean the height of a place above the sea level.

An elevation of 250 feet = +250

then, using absolute value:

Size of each amount,
`|+250| = 250`