Question

Which numbers are a distance of 3 units from 12 on a number line? A number line ranging from negative 5 to 17. Select each correct answer.

Answer 1

The distance between A and B is d = |B - A|

We have d = 3 and A = 12.

Substitute:

$|B-12|=3\iffB-12=3\ \vee\ B-12=-3\qquad|\text{add 12 to both sides}\\\\B=15\ \vee\ B=9$

Answer: 9 and 15.

Answer 2

Answer:

(11) (-3) i took the test

Step-by-step explanation:

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