Which numbers are a distance of 3.2 units from −4 on a number line?

9514 1404 393
Answer:
-7.2, -0.8
Step-by-step explanation:
Those numbers are ...
-4 ± 3.2 = {-4 -3.2, -4 +3.2} = {-7.2, -0.8}
The numbers -7.2 and -0.8 are a distance of 3.2 from -4 on the number line.