Question

If a = -4 and b = 3, what is |a-b|​

Answer 1

-7

Explanation:

-4

3

- 4

-3 sign will be changed

-7

Answer 2

| a - b | = 7

Explanation:

the absolute value function always gives a positive value , that is

| - a | = | a | = a

given

| a - b | ← substitute a = - 4 and b = 3 into the expression

= | - 4 - 3 |

= | - 7 |

= 7