Indira is using a number line to add –1 + (–3). she begins by showing –1 on the number line, as shown below. what is the sum of –1 + (–3)?

sum of  –1 + (–3) = -4.

Step-by-step explanation:

Given : Indira is using a number line to add –1 + (–3). She begins by showing –1 on the number line, as shown below.

To find : What is the sum of –1 + (–3).

Solution : We have given  

Indira is using a number line to add –1 + (–3).

When she start from -1 , she will jump to left by 3 unit ( left side for -3 ).

Form -1  she go to -2 then -3 then -4.

She will reach at -4 on number line.

So, the sum of  –1 + (–3) = -4.

Therefore , sum of  –1 + (–3) = -4.

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  the correct choice is marked

step-by-step explanation:

the first two graphs show multiple turning points. the last graphs matches the description in every detail.