Question

An object is placed at 0 on a number line. It moves 3 units to the right, then 4 units to the left, and then 6 units to the

right. What is the displacement of the object?
1
5
7
13

Answer 1

<—————->
0
+3. =3
-4. = -1
+6 = 5

the answer is 5

Answer 2

Answer: 5

Explanation: If you use a real graph it could be easier to check, but here’s it the easy way.

You start at 0, add 3 as you are going right on the right , subtract 4 as you are going left, then again add 6 as you are going right, and you should get 5.

0+3= 3

3-4= -1

-1+6= 5