Question

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

Answer 1

9514 1404 393

Answer:

-7.2, -0.8

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.