Question

Treys test score average decreased by 14 points this semester. Write a signed number to represent this change in average.

Answer 1

`-14`

Explanation:

Given: Trey's test score average decreased by 14 points this semester.

To find: a signed number to represent this change in average.

Solution:

The decrease can be denoted by minus
`(-)` sign and increase can be denoted by plus
`(+)` sign.

So, a signed number to represent the change in test score average is
`-14`