Question

Which expression represents the distance between 4.7 and −11.2 on the number line?

Drag and drop the correct expression into the box.


30 points to answer!

Answer 1

Option A or 1 or |-11.2 -4.7|

Explanation:

Calculate the distance :

distance =

| 4.7 - (- 11.2) | =

| 4.7 + 11.2 | =

| 15.9 | =

15.9.

Should help

Answer 2

|-11.2 -4.7|

Explanation:

You want the expression that represents the distance between 4.7 and -11.2 on a number line.

Distance

The distance on a number line is the positive difference between the coordinates of the points. Here, that would be either of ...

|4.7 -(-11.2)|

or

|-11.2 -4.7| . . . . . . matches an answer choice

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Additional comment

Note that when we subtract the left coordinate from the right coordinate, the difference is already positive, so no absolute value function is needed.